{
  "num_pairs": 8,
  "pairs": [
    {
      "index": 1,
      "nt1": "///A/1",
      "nt2": "///B/8",
      "bp": "c-G",
      "name": "WC",
      "Saenger": "19-XIX",
      "LW": "cWW",
      "DSSR": "cW-W",
      "intra_chain": false,
      "chi1": -166.237,
      "conf1": "anti",
      "pucker1": "~C3'-endo",
      "lambda1": 52.737,
      "chi2": -155.311,
      "conf2": "anti",
      "pucker2": "~C3'-endo",
      "lambda2": 52.867,
      "C1C1_dist": 10.801,
      "N1N9_dist": 9.029,
      "C6C8_dist": 9.936,
      "CNNC_torsion": -14.059,
      "hbonds_num": 3,
      "hbonds_desc": "O2(carbonyl)-N2(amino)[2.93],N3-N1(imino)[2.93],N4(amino)-O6(carbonyl)[2.89]",
      "interBase_angle": 11.138,
      "planarity": 0.152,
      "simple_Shear": 0.124,
      "simple_Stretch": -0.085,
      "simple_Buckle": 7.156,
      "simple_Propeller": -8.535,
      "bp_simpleParams": [
        0.124,
        -0.085,
        -0.143,
        7.156,
        -8.535,
        -1.295
      ],
      "bp_params": [
        0.123,
        -0.086,
        -0.143,
        7.111,
        -8.572,
        -1.296
      ],
      "frame": {
        "rmsd": null,
        "origin": [
          1.088,
          -18.275,
          -1.545
        ],
        "x_axis": [
          -0.268,
          0.963,
          -0.019
        ],
        "y_axis": [
          -0.878,
          -0.236,
          0.416
        ],
        "z_axis": [
          0.397,
          0.128,
          0.909
        ],
        "quaternion": [
          0.593,
          0.122,
          0.175,
          0.777
        ]
      }
    },
    {
      "index": 2,
      "nt1": "///A/2",
      "nt2": "///B/7",
      "bp": "G-C",
      "name": "WC",
      "Saenger": "19-XIX",
      "LW": "cWW",
      "DSSR": "cW-W",
      "intra_chain": false,
      "chi1": -170.824,
      "conf1": "anti",
      "pucker1": "~C3'-endo",
      "lambda1": 55.812,
      "chi2": -165.887,
      "conf2": "anti",
      "pucker2": "~C3'-endo",
      "lambda2": 55.362,
      "C1C1_dist": 10.593,
      "N1N9_dist": 8.930,
      "C6C8_dist": 9.845,
      "CNNC_torsion": -18.101,
      "hbonds_num": 3,
      "hbonds_desc": "O6(carbonyl)-N4(amino)[2.90],N1(imino)-N3[2.88],N2(amino)-O2(carbonyl)[2.84]",
      "interBase_angle": 19.684,
      "planarity": 0.224,
      "simple_Shear": -0.230,
      "simple_Stretch": -0.172,
      "simple_Buckle": -4.828,
      "simple_Propeller": -19.083,
      "bp_simpleParams": [
        -0.230,
        -0.172,
        0.047,
        -4.828,
        -19.083,
        -0.589
      ],
      "bp_params": [
        -0.227,
        -0.175,
        0.047,
        -4.494,
        -19.164,
        -0.597
      ],
      "frame": {
        "rmsd": null,
        "origin": [
          3.405,
          -16.357,
          0.908
        ],
        "x_axis": [
          -0.788,
          0.615,
          0.014
        ],
        "y_axis": [
          -0.563,
          -0.730,
          0.388
        ],
        "z_axis": [
          0.249,
          0.299,
          0.921
        ],
        "quaternion": [
          0.317,
          0.071,
          0.185,
          0.927
        ]
      }
    },
    {
      "index": 3,
      "nt1": "///A/3",
      "nt2": "///B/6",
      "bp": "A-U",
      "name": "WC",
      "Saenger": "20-XX",
      "LW": "cWW",
      "DSSR": "cW-W",
      "intra_chain": false,
      "chi1": -156.377,
      "conf1": "anti",
      "pucker1": "~C3'-endo",
      "lambda1": 52.382,
      "chi2": -156.680,
      "conf2": "anti",
      "pucker2": "~C3'-endo",
      "lambda2": 53.090,
      "C1C1_dist": 10.755,
      "N1N9_dist": 8.981,
      "C6C8_dist": 9.819,
      "CNNC_torsion": -18.021,
      "hbonds_num": 2,
      "hbonds_desc": "N6(amino)-O4(carbonyl)[2.86],N1-N3(imino)[2.87]",
      "interBase_angle": 14.523,
      "planarity": 0.170,
      "simple_Shear": 0.033,
      "simple_Stretch": -0.089,
      "simple_Buckle": -8.832,
      "simple_Propeller": -11.529,
      "bp_simpleParams": [
        0.033,
        -0.089,
        -0.181,
        -8.832,
        -11.529,
        -3.085
      ],
      "bp_params": [
        0.032,
        -0.089,
        -0.181,
        -8.964,
        -11.426,
        -3.091
      ],
      "frame": {
        "rmsd": null,
        "origin": [
          5.406,
          -14.250,
          3.331
        ],
        "x_axis": [
          -0.991,
          0.041,
          0.130
        ],
        "y_axis": [
          0.007,
          -0.939,
          0.345
        ],
        "z_axis": [
          0.136,
          0.343,
          0.929
        ],
        "quaternion": [
          0.009,
          0.068,
          0.175,
          0.982
        ]
      }
    },
    {
      "index": 4,
      "nt1": "///A/4",
      "nt2": "///B/5",
      "bp": "A-u",
      "name": "WC",
      "Saenger": "20-XX",
      "LW": "cWW",
      "DSSR": "cW-W",
      "intra_chain": false,
      "chi1": -147.550,
      "conf1": "anti",
      "pucker1": "~C3'-endo",
      "lambda1": 53.186,
      "chi2": -155.958,
      "conf2": "anti",
      "pucker2": "~C3'-endo",
      "lambda2": 54.213,
      "C1C1_dist": 10.693,
      "N1N9_dist": 8.951,
      "C6C8_dist": 9.846,
      "CNNC_torsion": -14.713,
      "hbonds_num": 2,
      "hbonds_desc": "N6(amino)-O4(carbonyl)[2.87],N1-N3(imino)[2.89]",
      "interBase_angle": 10.489,
      "planarity": 0.292,
      "simple_Shear": 0.105,
      "simple_Stretch": -0.090,
      "simple_Buckle": 4.677,
      "simple_Propeller": -9.388,
      "bp_simpleParams": [
        0.105,
        -0.090,
        0.150,
        4.677,
        -9.388,
        -2.718
      ],
      "bp_params": [
        0.103,
        -0.092,
        0.150,
        4.539,
        -9.456,
        -2.725
      ],
      "frame": {
        "rmsd": null,
        "origin": [
          5.718,
          -12.563,
          5.843
        ],
        "x_axis": [
          -0.839,
          -0.494,
          0.229
        ],
        "y_axis": [
          0.538,
          -0.815,
          0.213
        ],
        "z_axis": [
          0.081,
          0.302,
          0.950
        ],
        "quaternion": [
          -0.272,
          0.082,
          0.136,
          0.949
        ]
      }
    },
    {
      "index": 5,
      "nt1": "///A/5",
      "nt2": "///B/4",
      "bp": "u-A",
      "name": "WC",
      "Saenger": "20-XX",
      "LW": "cWW",
      "DSSR": "cW-W",
      "intra_chain": false,
      "chi1": -165.736,
      "conf1": "anti",
      "pucker1": "~C3'-endo",
      "lambda1": 58.079,
      "chi2": -161.746,
      "conf2": "anti",
      "pucker2": "~C3'-endo",
      "lambda2": 56.663,
      "C1C1_dist": 10.459,
      "N1N9_dist": 8.880,
      "C6C8_dist": 9.863,
      "CNNC_torsion": -16.557,
      "hbonds_num": 2,
      "hbonds_desc": "N3(imino)-N1[2.83],O4(carbonyl)-N6(amino)[2.99]",
      "interBase_angle": 13.860,
      "planarity": 0.380,
      "simple_Shear": 0.006,
      "simple_Stretch": -0.101,
      "simple_Buckle": 3.157,
      "simple_Propeller": -13.496,
      "bp_simpleParams": [
        0.006,
        -0.101,
        0.081,
        3.157,
        -13.496,
        1.142
      ],
      "bp_params": [
        0.007,
        -0.101,
        0.081,
        3.229,
        -13.478,
        1.149
      ],
      "frame": {
        "rmsd": null,
        "origin": [
          3.380,
          -12.548,
          9.045
        ],
        "x_axis": [
          -0.436,
          -0.896,
          -0.090
        ],
        "y_axis": [
          0.857,
          -0.443,
          0.264
        ],
        "z_axis": [
          -0.276,
          0.038,
          0.960
        ],
        "quaternion": [
          0.520,
          0.108,
          -0.089,
          -0.842
        ]
      }
    },
    {
      "index": 6,
      "nt1": "///A/6",
      "nt2": "///B/3",
      "bp": "U-A",
      "name": "WC",
      "Saenger": "20-XX",
      "LW": "cWW",
      "DSSR": "cW-W",
      "intra_chain": false,
      "chi1": -160.661,
      "conf1": "anti",
      "pucker1": "~C3'-endo",
      "lambda1": 57.703,
      "chi2": -166.681,
      "conf2": "anti",
      "pucker2": "~C3'-endo",
      "lambda2": 58.310,
      "C1C1_dist": 10.383,
      "N1N9_dist": 8.826,
      "C6C8_dist": 9.841,
      "CNNC_torsion": -13.480,
      "hbonds_num": 2,
      "hbonds_desc": "N3(imino)-N1[2.82],O4(carbonyl)-N6(amino)[3.05]",
      "interBase_angle": 14.568,
      "planarity": 0.171,
      "simple_Shear": -0.024,
      "simple_Stretch": -0.098,
      "simple_Buckle": 3.222,
      "simple_Propeller": -14.207,
      "bp_simpleParams": [
        -0.024,
        -0.098,
        0.044,
        3.222,
        -14.207,
        3.428
      ],
      "bp_params": [
        -0.024,
        -0.098,
        0.044,
        3.342,
        -14.179,
        3.453
      ],
      "frame": {
        "rmsd": null,
        "origin": [
          0.759,
          -12.122,
          11.653
        ],
        "x_axis": [
          0.098,
          -0.992,
          -0.076
        ],
        "y_axis": [
          0.956,
          0.073,
          0.284
        ],
        "z_axis": [
          -0.276,
          -0.101,
          0.956
        ],
        "quaternion": [
          0.729,
          0.132,
          -0.068,
          -0.668
        ]
      }
    },
    {
      "index": 7,
      "nt1": "///A/7",
      "nt2": "///B/2",
      "bp": "C-G",
      "name": "WC",
      "Saenger": "19-XIX",
      "LW": "cWW",
      "DSSR": "cW-W",
      "intra_chain": false,
      "chi1": -165.554,
      "conf1": "anti",
      "pucker1": "~C3'-endo",
      "lambda1": 54.708,
      "chi2": -164.393,
      "conf2": "anti",
      "pucker2": "~C3'-endo",
      "lambda2": 53.941,
      "C1C1_dist": 10.630,
      "N1N9_dist": 8.930,
      "C6C8_dist": 9.856,
      "CNNC_torsion": -11.547,
      "hbonds_num": 3,
      "hbonds_desc": "O2(carbonyl)-N2(amino)[2.84],N3-N1(imino)[2.90],N4(amino)-O6(carbonyl)[2.91]",
      "interBase_angle": 14.497,
      "planarity": 0.172,
      "simple_Shear": 0.255,
      "simple_Stretch": -0.158,
      "simple_Buckle": 1.350,
      "simple_Propeller": -14.434,
      "bp_simpleParams": [
        0.255,
        -0.158,
        -0.017,
        1.350,
        -14.434,
        0.046
      ],
      "bp_params": [
        0.252,
        -0.163,
        -0.017,
        1.039,
        -14.459,
        0.047
      ],
      "frame": {
        "rmsd": null,
        "origin": [
          -1.502,
          -12.825,
          14.356
        ],
        "x_axis": [
          0.629,
          -0.777,
          -0.020
        ],
        "y_axis": [
          0.744,
          0.595,
          0.303
        ],
        "z_axis": [
          -0.223,
          -0.206,
          0.953
        ],
        "quaternion": [
          0.891,
          0.143,
          -0.057,
          -0.427
        ]
      }
    },
    {
      "index": 8,
      "nt1": "///A/8",
      "nt2": "///B/1",
      "bp": "G-c",
      "name": "WC",
      "Saenger": "19-XIX",
      "LW": "cWW",
      "DSSR": "cW-W",
      "intra_chain": false,
      "chi1": -165.103,
      "conf1": "anti",
      "pucker1": "~C3'-endo",
      "lambda1": 54.365,
      "chi2": -158.902,
      "conf2": "anti",
      "pucker2": "~C3'-endo",
      "lambda2": 51.833,
      "C1C1_dist": 10.709,
      "N1N9_dist": 8.963,
      "C6C8_dist": 9.872,
      "CNNC_torsion": -18.088,
      "hbonds_num": 3,
      "hbonds_desc": "O6(carbonyl)-N4(amino)[2.88],N1(imino)-N3[2.91],N2(amino)-O2(carbonyl)[2.86]",
      "interBase_angle": 17.295,
      "planarity": 0.231,
      "simple_Shear": -0.178,
      "simple_Stretch": -0.125,
      "simple_Buckle": -9.468,
      "simple_Propeller": -14.473,
      "bp_simpleParams": [
        -0.178,
        -0.125,
        -0.090,
        -9.468,
        -14.473,
        -0.809
      ],
      "bp_params": [
        -0.177,
        -0.126,
        -0.090,
        -9.355,
        -14.546,
        -0.813
      ],
      "frame": {
        "rmsd": null,
        "origin": [
          -2.753,
          -15.207,
          16.991
        ],
        "x_axis": [
          0.952,
          -0.293,
          -0.089
        ],
        "y_axis": [
          0.305,
          0.879,
          0.368
        ],
        "z_axis": [
          -0.030,
          -0.377,
          0.926
        ],
        "quaternion": [
          0.969,
          0.192,
          0.015,
          -0.154
        ]
      }
    }
  ],
  "num_helices": 1,
  "helices": [
    {
      "index": 1,
      "num_stems": 1,
      "strand1": "cGAAuUCG",
      "strand2": "GCUuAAGc",
      "bp_type": "||||||||",
      "helix_form": "AAA.AAA",
      "helical_rise": 2.356,
      "helical_rise_std": 0.451,
      "helical_radius": 8.830,
      "helical_radius_std": 0.914,
      "helical_axis": [
        0.140,
        -0.061,
        0.988
      ],
      "point1": [
        0.335,
        -14.863,
        -0.507
      ],
      "point2": [
        2.616,
        -15.856,
        15.572
      ],
      "num_pairs": 8,
      "pairs": [
        {
          "index": 1,
          "nt1": "///A/1",
          "nt2": "///B/8",
          "bp": "c-G",
          "name": "WC",
          "Saenger": "19-XIX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            0.123,
            -0.086,
            -0.143,
            7.111,
            -8.572,
            -1.296
          ],
          "step_params": [
            0.313,
            -1.801,
            3.425,
            -1.757,
            12.864,
            34.285
          ],
          "heli_params": [
            -4.552,
            -0.728,
            2.587,
            20.915,
            2.857,
            36.591
          ],
          "bp2_params": [
            -0.227,
            -0.175,
            0.047,
            -4.494,
            -19.164,
            -0.597
          ],
          "groove_widths": [
            null,
            null,
            null,
            null
          ],
          "simple_Rise": 3.425,
          "simple_Twist": 35.861,
          "simple_hRise": 2.630,
          "simple_hTwist": 38.066
        },
        {
          "index": 2,
          "nt1": "///A/2",
          "nt2": "///B/7",
          "bp": "G-C",
          "name": "WC",
          "Saenger": "19-XIX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            -0.227,
            -0.175,
            0.047,
            -4.494,
            -19.164,
            -0.597
          ],
          "step_params": [
            -0.963,
            -1.560,
            3.309,
            0.153,
            6.938,
            35.466
          ],
          "heli_params": [
            -3.464,
            1.574,
            2.957,
            11.256,
            -0.248,
            36.117
          ],
          "bp2_params": [
            0.032,
            -0.089,
            -0.181,
            -8.964,
            -11.426,
            -3.091
          ],
          "groove_widths": [
            null,
            null,
            null,
            null
          ],
          "simple_Rise": 3.309,
          "simple_Twist": 33.502,
          "simple_hRise": 2.932,
          "simple_hTwist": 34.193
        },
        {
          "index": 3,
          "nt1": "///A/3",
          "nt2": "///B/6",
          "bp": "A-U",
          "name": "WC",
          "Saenger": "20-XX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            0.032,
            -0.089,
            -0.181,
            -8.964,
            -11.426,
            -3.091
          ],
          "step_params": [
            -0.215,
            -0.750,
            2.940,
            -1.570,
            3.790,
            32.561
          ],
          "heli_params": [
            -1.905,
            0.142,
            2.844,
            6.725,
            2.786,
            32.811
          ],
          "bp2_params": [
            0.103,
            -0.092,
            0.150,
            4.539,
            -9.456,
            -2.725
          ],
          "groove_widths": [
            18.090,
            null,
            12.801,
            null
          ],
          "simple_Rise": 2.940,
          "simple_Twist": 32.708,
          "simple_hRise": 2.844,
          "simple_hTwist": 32.957
        },
        {
          "index": 4,
          "nt1": "///A/4",
          "nt2": "///B/5",
          "bp": "A-u",
          "name": "WC",
          "Saenger": "20-XX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            0.103,
            -0.092,
            0.150,
            4.539,
            -9.456,
            -2.725
          ],
          "step_params": [
            1.768,
            -1.103,
            3.373,
            4.905,
            25.176,
            28.821
          ],
          "heli_params": [
            -4.698,
            -2.100,
            2.066,
            41.668,
            -8.117,
            38.400
          ],
          "bp2_params": [
            0.007,
            -0.101,
            0.081,
            3.229,
            -13.478,
            1.149
          ],
          "groove_widths": [
            18.574,
            17.047,
            14.737,
            9.665
          ],
          "simple_Rise": 3.373,
          "simple_Twist": 29.815,
          "simple_hRise": 2.114,
          "simple_hTwist": 39.139
        },
        {
          "index": 5,
          "nt1": "///A/5",
          "nt2": "///B/4",
          "bp": "u-A",
          "name": "WC",
          "Saenger": "20-XX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            0.007,
            -0.101,
            0.081,
            3.229,
            -13.478,
            1.149
          ],
          "step_params": [
            -0.173,
            -1.865,
            3.216,
            -1.446,
            7.830,
            30.516
          ],
          "heli_params": [
            -4.770,
            0.071,
            2.672,
            14.566,
            2.691,
            31.514
          ],
          "bp2_params": [
            -0.024,
            -0.098,
            0.044,
            3.342,
            -14.179,
            3.453
          ],
          "groove_widths": [
            17.433,
            null,
            16.774,
            null
          ],
          "simple_Rise": 3.216,
          "simple_Twist": 30.322,
          "simple_hRise": 2.668,
          "simple_hTwist": 31.326
        },
        {
          "index": 6,
          "nt1": "///A/6",
          "nt2": "///B/3",
          "bp": "U-A",
          "name": "WC",
          "Saenger": "20-XX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            -0.024,
            -0.098,
            0.044,
            3.342,
            -14.179,
            3.453
          ],
          "step_params": [
            -0.342,
            -1.479,
            3.257,
            -0.524,
            6.714,
            32.819
          ],
          "heli_params": [
            -3.621,
            0.511,
            2.911,
            11.729,
            0.915,
            33.484
          ],
          "bp2_params": [
            0.252,
            -0.163,
            -0.017,
            1.039,
            -14.459,
            0.047
          ],
          "groove_widths": [
            null,
            null,
            null,
            null
          ],
          "simple_Rise": 3.257,
          "simple_Twist": 31.098,
          "simple_hRise": 2.888,
          "simple_hTwist": 31.802
        },
        {
          "index": 7,
          "nt1": "///A/7",
          "nt2": "///B/2",
          "bp": "C-G",
          "name": "WC",
          "Saenger": "19-XIX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            0.252,
            -0.163,
            -0.017,
            1.039,
            -14.459,
            0.047
          ],
          "step_params": [
            0.133,
            -1.704,
            3.356,
            2.033,
            14.784,
            30.751
          ],
          "heli_params": [
            -5.056,
            0.068,
            2.322,
            26.043,
            -3.582,
            34.102
          ],
          "bp2_params": [
            -0.177,
            -0.126,
            -0.090,
            -9.355,
            -14.546,
            -0.813
          ],
          "groove_widths": [
            null,
            null,
            null,
            null
          ],
          "simple_Rise": 3.356,
          "simple_Twist": 33.355,
          "simple_hRise": 2.415,
          "simple_hTwist": 36.455
        },
        {
          "index": 8,
          "nt1": "///A/8",
          "nt2": "///B/1",
          "bp": "G-c",
          "name": "WC",
          "Saenger": "19-XIX",
          "LW": "cWW",
          "DSSR": "cW-W"
        }
      ]
    }
  ],
  "num_stems": 1,
  "stems": [
    {
      "index": 1,
      "helix_index": 1,
      "strand1": "cGAAuUCG",
      "strand2": "GCUuAAGc",
      "bp_type": "||||||||",
      "helix_form": "AAA.AAA",
      "helical_rise": 2.356,
      "helical_rise_std": 0.451,
      "helical_radius": 8.830,
      "helical_radius_std": 0.914,
      "helical_axis": [
        0.140,
        -0.061,
        0.988
      ],
      "point1": [
        0.335,
        -14.863,
        -0.507
      ],
      "point2": [
        2.616,
        -15.856,
        15.572
      ],
      "num_pairs": 8,
      "pairs": [
        {
          "index": 1,
          "nt1": "///A/1",
          "nt2": "///B/8",
          "bp": "c-G",
          "name": "WC",
          "Saenger": "19-XIX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            0.123,
            -0.086,
            -0.143,
            7.111,
            -8.572,
            -1.296
          ],
          "step_params": [
            0.313,
            -1.801,
            3.425,
            -1.757,
            12.864,
            34.285
          ],
          "heli_params": [
            -4.552,
            -0.728,
            2.587,
            20.915,
            2.857,
            36.591
          ],
          "bp2_params": [
            -0.227,
            -0.175,
            0.047,
            -4.494,
            -19.164,
            -0.597
          ],
          "groove_widths": [
            null,
            null,
            null,
            null
          ],
          "simple_Rise": 3.425,
          "simple_Twist": 35.861,
          "simple_hRise": 2.630,
          "simple_hTwist": 38.066
        },
        {
          "index": 2,
          "nt1": "///A/2",
          "nt2": "///B/7",
          "bp": "G-C",
          "name": "WC",
          "Saenger": "19-XIX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            -0.227,
            -0.175,
            0.047,
            -4.494,
            -19.164,
            -0.597
          ],
          "step_params": [
            -0.963,
            -1.560,
            3.309,
            0.153,
            6.938,
            35.466
          ],
          "heli_params": [
            -3.464,
            1.574,
            2.957,
            11.256,
            -0.248,
            36.117
          ],
          "bp2_params": [
            0.032,
            -0.089,
            -0.181,
            -8.964,
            -11.426,
            -3.091
          ],
          "groove_widths": [
            null,
            null,
            null,
            null
          ],
          "simple_Rise": 3.309,
          "simple_Twist": 33.502,
          "simple_hRise": 2.932,
          "simple_hTwist": 34.193
        },
        {
          "index": 3,
          "nt1": "///A/3",
          "nt2": "///B/6",
          "bp": "A-U",
          "name": "WC",
          "Saenger": "20-XX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            0.032,
            -0.089,
            -0.181,
            -8.964,
            -11.426,
            -3.091
          ],
          "step_params": [
            -0.215,
            -0.750,
            2.940,
            -1.570,
            3.790,
            32.561
          ],
          "heli_params": [
            -1.905,
            0.142,
            2.844,
            6.725,
            2.786,
            32.811
          ],
          "bp2_params": [
            0.103,
            -0.092,
            0.150,
            4.539,
            -9.456,
            -2.725
          ],
          "groove_widths": [
            18.090,
            null,
            12.801,
            null
          ],
          "simple_Rise": 2.940,
          "simple_Twist": 32.708,
          "simple_hRise": 2.844,
          "simple_hTwist": 32.957
        },
        {
          "index": 4,
          "nt1": "///A/4",
          "nt2": "///B/5",
          "bp": "A-u",
          "name": "WC",
          "Saenger": "20-XX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            0.103,
            -0.092,
            0.150,
            4.539,
            -9.456,
            -2.725
          ],
          "step_params": [
            1.768,
            -1.103,
            3.373,
            4.905,
            25.176,
            28.821
          ],
          "heli_params": [
            -4.698,
            -2.100,
            2.066,
            41.668,
            -8.117,
            38.400
          ],
          "bp2_params": [
            0.007,
            -0.101,
            0.081,
            3.229,
            -13.478,
            1.149
          ],
          "groove_widths": [
            18.574,
            17.047,
            14.737,
            9.665
          ],
          "simple_Rise": 3.373,
          "simple_Twist": 29.815,
          "simple_hRise": 2.114,
          "simple_hTwist": 39.139
        },
        {
          "index": 5,
          "nt1": "///A/5",
          "nt2": "///B/4",
          "bp": "u-A",
          "name": "WC",
          "Saenger": "20-XX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            0.007,
            -0.101,
            0.081,
            3.229,
            -13.478,
            1.149
          ],
          "step_params": [
            -0.173,
            -1.865,
            3.216,
            -1.446,
            7.830,
            30.516
          ],
          "heli_params": [
            -4.770,
            0.071,
            2.672,
            14.566,
            2.691,
            31.514
          ],
          "bp2_params": [
            -0.024,
            -0.098,
            0.044,
            3.342,
            -14.179,
            3.453
          ],
          "groove_widths": [
            17.433,
            null,
            16.774,
            null
          ],
          "simple_Rise": 3.216,
          "simple_Twist": 30.322,
          "simple_hRise": 2.668,
          "simple_hTwist": 31.326
        },
        {
          "index": 6,
          "nt1": "///A/6",
          "nt2": "///B/3",
          "bp": "U-A",
          "name": "WC",
          "Saenger": "20-XX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            -0.024,
            -0.098,
            0.044,
            3.342,
            -14.179,
            3.453
          ],
          "step_params": [
            -0.342,
            -1.479,
            3.257,
            -0.524,
            6.714,
            32.819
          ],
          "heli_params": [
            -3.621,
            0.511,
            2.911,
            11.729,
            0.915,
            33.484
          ],
          "bp2_params": [
            0.252,
            -0.163,
            -0.017,
            1.039,
            -14.459,
            0.047
          ],
          "groove_widths": [
            null,
            null,
            null,
            null
          ],
          "simple_Rise": 3.257,
          "simple_Twist": 31.098,
          "simple_hRise": 2.888,
          "simple_hTwist": 31.802
        },
        {
          "index": 7,
          "nt1": "///A/7",
          "nt2": "///B/2",
          "bp": "C-G",
          "name": "WC",
          "Saenger": "19-XIX",
          "LW": "cWW",
          "DSSR": "cW-W",
          "bp1_params": [
            0.252,
            -0.163,
            -0.017,
            1.039,
            -14.459,
            0.047
          ],
          "step_params": [
            0.133,
            -1.704,
            3.356,
            2.033,
            14.784,
            30.751
          ],
          "heli_params": [
            -5.056,
            0.068,
            2.322,
            26.043,
            -3.582,
            34.102
          ],
          "bp2_params": [
            -0.177,
            -0.126,
            -0.090,
            -9.355,
            -14.546,
            -0.813
          ],
          "groove_widths": [
            null,
            null,
            null,
            null
          ],
          "simple_Rise": 3.356,
          "simple_Twist": 33.355,
          "simple_hRise": 2.415,
          "simple_hTwist": 36.455
        },
        {
          "index": 8,
          "nt1": "///A/8",
          "nt2": "///B/1",
          "bp": "G-c",
          "name": "WC",
          "Saenger": "19-XIX",
          "LW": "cWW",
          "DSSR": "cW-W"
        }
      ]
    }
  ],
  "num_stacks": 0,
  "stacks": [],
  "nonStack": {
    "num_nts": 2,
    "nts_short": "cc",
    "nts_long": "///A/1,///B/1"
  },
  "dbn": {
    "all_chains": {
      "num_nts": 16,
      "num_chars": 17,
      "bseq": "cGAAuUCG&cGAAuUCG",
      "bseqUP": "CGAAUUCG&CGAAUUCG",
      "sstr": "((((((((&))))))))",
      "form": "AAA.AAA-&AAAAAAA-"
    },
    "chain_A": {
      "num_nts": 8,
      "num_chars": 8,
      "bseq": "cGAAuUCG",
      "bseqUP": "CGAAUUCG",
      "sstr": "((((((((",
      "form": "AAA.AAA-"
    },
    "chain_B": {
      "num_nts": 8,
      "num_chars": 8,
      "bseq": "cGAAuUCG",
      "bseqUP": "CGAAUUCG",
      "sstr": "))))))))",
      "form": "AAAAAAA-"
    }
  },
  "chains": {
    "chain_A": {
      "num_nts": 8,
      "bseq": "cGAAuUCG",
      "sstr": "((((((((",
      "form": "AAA.AAA-",
      "helical_rise": 2.178,
      "helical_rise_std": 0.438,
      "helical_axis": [
        0.116,
        -0.172,
        0.978
      ],
      "point1": [
        0.390,
        -14.020,
        1.820
      ],
      "point2": [
        2.114,
        -16.585,
        16.386
      ],
      "num_chars": 22,
      "suite": "c1aG1aA1aA1cu1aU1aC1aG"
    },
    "chain_B": {
      "num_nts": 8,
      "bseq": "cGAAuUCG",
      "sstr": "))))))))",
      "form": "AAAAAAA-",
      "helical_rise": 2.122,
      "helical_rise_std": 0.348,
      "helical_axis": [
        -0.236,
        0.050,
        -0.971
      ],
      "point1": [
        2.984,
        -16.105,
        13.037
      ],
      "point2": [
        -0.437,
        -15.383,
        -1.059
      ],
      "num_chars": 22,
      "suite": "c1aG1aA1aA1au1aU1aC1aG"
    }
  },
  "num_nts": 16,
  "nts": [
    {
      "index": 1,
      "index_chain": 1,
      "chain_name": "A",
      "nt_resnum": 1,
      "nt_name": "CBV",
      "nt_code": "c",
      "is_modified": true,
      "nt_id": "///A/1",
      "linked_nts": [
        null,
        "///A/2"
      ],
      "nt_type": "RNA",
      "dbn": "(",
      "summary": "modified,anti,~C3'-endo,BI,non-stack,canonical,helix-end,stem-end",
      "alpha": null,
      "beta": null,
      "gamma": 50.040,
      "delta": 76.182,
      "epsilon": -149.964,
      "zeta": -67.164,
      "epsilon_zeta": -82.800,
      "bb_type": "BI",
      "chi": -166.237,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.135,
        8.586,
        1.002
      ],
      "P_xyz": [
        null,
        null,
        null
      ],
      "form": "A",
      "ssZp": 4.693,
      "Dp": 4.756,
      "splay_angle": 26.402,
      "splay_distance": 3.990,
      "splay_ratio": 0.230,
      "d22": null,
      "d64": null,
      "eta": null,
      "theta": null,
      "eta_prime": null,
      "theta_prime": null,
      "eta_base": null,
      "theta_base": null,
      "v0": 9.829,
      "v1": -32.841,
      "v2": 41.113,
      "v3": -35.145,
      "v4": 13.874,
      "amplitude": 41.165,
      "phase_angle": 2.872,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "inc",
      "cluster": "__",
      "suiteness": 0.000,
      "filter_rmsd": 0.072,
      "frame": {
        "rmsd": 0.024,
        "origin": [
          1.081,
          -18.214,
          -1.630
        ],
        "x_axis": [
          -0.226,
          0.973,
          0.043
        ],
        "y_axis": [
          -0.854,
          -0.219,
          0.472
        ],
        "z_axis": [
          0.469,
          0.070,
          0.880
        ],
        "quaternion": [
          0.599,
          0.168,
          0.178,
          0.762
        ]
      }
    },
    {
      "index": 2,
      "index_chain": 2,
      "chain_name": "A",
      "nt_resnum": 2,
      "nt_name": "G",
      "nt_code": "G",
      "nt_id": "///A/2",
      "linked_nts": [
        "///A/1",
        "///A/3"
      ],
      "nt_type": "RNA",
      "dbn": "(",
      "summary": "anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem,phosphate",
      "alpha": -64.910,
      "beta": 176.275,
      "gamma": 56.253,
      "delta": 81.649,
      "epsilon": -149.675,
      "zeta": -74.364,
      "epsilon_zeta": -75.310,
      "bb_type": "BI",
      "chi": -170.824,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.498,
        8.530,
        1.092
      ],
      "P_xyz": [
        1.128,
        8.704,
        1.475
      ],
      "form": "A",
      "ssZp": 4.520,
      "Dp": 4.682,
      "splay_angle": 23.618,
      "splay_distance": 3.646,
      "splay_ratio": 0.207,
      "d22": null,
      "d64": null,
      "eta": 171.555,
      "theta": -145.811,
      "eta_prime": -173.591,
      "theta_prime": -145.174,
      "eta_base": -129.689,
      "theta_base": -124.585,
      "v0": 7.523,
      "v1": -29.800,
      "v2": 40.215,
      "v3": -36.518,
      "v4": 18.385,
      "amplitude": 40.618,
      "phase_angle": 8.084,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.906,
      "filter_rmsd": 0.025,
      "frame": {
        "rmsd": 0.025,
        "origin": [
          3.550,
          -16.356,
          0.895
        ],
        "x_axis": [
          -0.735,
          0.658,
          0.166
        ],
        "y_axis": [
          -0.578,
          -0.736,
          0.353
        ],
        "z_axis": [
          0.354,
          0.163,
          0.921
        ],
        "quaternion": [
          0.336,
          0.141,
          0.140,
          0.921
        ]
      }
    },
    {
      "index": 3,
      "index_chain": 3,
      "chain_name": "A",
      "nt_resnum": 3,
      "nt_name": "A",
      "nt_code": "A",
      "nt_id": "///A/3",
      "linked_nts": [
        "///A/2",
        "///A/4"
      ],
      "nt_type": "RNA",
      "dbn": "(",
      "summary": "anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem,phosphate",
      "alpha": -63.996,
      "beta": -179.587,
      "gamma": 52.653,
      "delta": 80.001,
      "epsilon": -159.342,
      "zeta": -65.065,
      "epsilon_zeta": -94.277,
      "bb_type": "BI",
      "chi": -156.377,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.058,
        8.655,
        0.310
      ],
      "P_xyz": [
        1.499,
        8.932,
        0.799
      ],
      "form": "A",
      "ssZp": 4.110,
      "Dp": 4.625,
      "splay_angle": 20.489,
      "splay_distance": 3.193,
      "splay_ratio": 0.178,
      "d22": null,
      "d64": null,
      "eta": 173.740,
      "theta": -146.919,
      "eta_prime": -176.574,
      "theta_prime": -144.101,
      "eta_base": -143.684,
      "theta_base": -118.886,
      "v0": 8.032,
      "v1": -31.745,
      "v2": 42.142,
      "v3": -39.016,
      "v4": 19.401,
      "amplitude": 42.575,
      "phase_angle": 8.179,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.974,
      "filter_rmsd": 0.051,
      "frame": {
        "rmsd": 0.030,
        "origin": [
          5.377,
          -14.238,
          3.234
        ],
        "x_axis": [
          -0.972,
          0.097,
          0.216
        ],
        "y_axis": [
          -0.034,
          -0.960,
          0.278
        ],
        "z_axis": [
          0.234,
          0.263,
          0.936
        ],
        "quaternion": [
          0.033,
          0.114,
          0.137,
          0.983
        ]
      }
    },
    {
      "index": 4,
      "index_chain": 4,
      "chain_name": "A",
      "nt_resnum": 4,
      "nt_name": "A",
      "nt_code": "A",
      "nt_id": "///A/4",
      "linked_nts": [
        "///A/3",
        "///A/5"
      ],
      "nt_type": "RNA",
      "dbn": "(",
      "summary": "anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem,phosphate",
      "alpha": -74.479,
      "beta": -178.870,
      "gamma": 55.787,
      "delta": 82.718,
      "epsilon": -141.609,
      "zeta": -72.288,
      "epsilon_zeta": -69.321,
      "bb_type": "BI",
      "chi": -147.550,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.143,
        8.704,
        -0.189
      ],
      "P_xyz": [
        1.484,
        8.890,
        -0.200
      ],
      "form": ".",
      "ssZp": 3.913,
      "Dp": 4.711,
      "splay_angle": 22.754,
      "splay_distance": 3.923,
      "splay_ratio": 0.201,
      "d22": null,
      "d64": null,
      "eta": 172.406,
      "theta": -109.242,
      "eta_prime": -175.818,
      "theta_prime": -117.619,
      "eta_base": -141.723,
      "theta_base": -90.957,
      "v0": 4.871,
      "v1": -28.154,
      "v2": 39.684,
      "v3": -37.285,
      "v4": 20.603,
      "amplitude": 40.497,
      "phase_angle": 11.506,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.845,
      "filter_rmsd": 0.045,
      "frame": {
        "rmsd": 0.017,
        "origin": [
          5.656,
          -12.529,
          5.916
        ],
        "x_axis": [
          -0.843,
          -0.447,
          0.300
        ],
        "y_axis": [
          0.522,
          -0.813,
          0.258
        ],
        "z_axis": [
          0.129,
          0.374,
          0.919
        ],
        "quaternion": [
          -0.256,
          0.113,
          0.167,
          0.945
        ]
      }
    },
    {
      "index": 5,
      "index_chain": 5,
      "chain_name": "A",
      "nt_resnum": 5,
      "nt_name": "U5M",
      "nt_code": "u",
      "is_modified": true,
      "nt_id": "///A/5",
      "linked_nts": [
        "///A/4",
        "///A/6"
      ],
      "nt_type": "RNA",
      "dbn": "(",
      "summary": "modified,anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem,phosphate",
      "alpha": 150.212,
      "beta": -162.283,
      "gamma": 172.943,
      "delta": 86.988,
      "epsilon": -152.214,
      "zeta": -70.665,
      "epsilon_zeta": -81.549,
      "bb_type": "BI",
      "chi": -165.736,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.468,
        8.581,
        0.735
      ],
      "P_xyz": [
        -0.180,
        10.088,
        -1.020
      ],
      "form": "A",
      "ssZp": 4.392,
      "Dp": 4.594,
      "splay_angle": 22.997,
      "splay_distance": 3.707,
      "splay_ratio": 0.204,
      "d22": 4.363,
      "d64": 4.399,
      "eta": 153.570,
      "theta": -166.898,
      "eta_prime": 179.324,
      "theta_prime": -166.346,
      "eta_base": -130.896,
      "theta_base": -141.735,
      "v0": 1.873,
      "v1": -26.580,
      "v2": 39.498,
      "v3": -39.018,
      "v4": 23.941,
      "amplitude": 41.058,
      "phase_angle": 15.847,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33t",
      "cluster": "1c",
      "suiteness": 0.679,
      "filter_rmsd": 0.086,
      "frame": {
        "rmsd": 0.031,
        "origin": [
          3.324,
          -12.528,
          9.071
        ],
        "x_axis": [
          -0.458,
          -0.889,
          0.026
        ],
        "y_axis": [
          0.854,
          -0.431,
          0.290
        ],
        "z_axis": [
          -0.247,
          0.155,
          0.957
        ],
        "quaternion": [
          0.517,
          0.065,
          -0.132,
          -0.843
        ]
      }
    },
    {
      "index": 6,
      "index_chain": 6,
      "chain_name": "A",
      "nt_resnum": 6,
      "nt_name": "U",
      "nt_code": "U",
      "nt_id": "///A/6",
      "linked_nts": [
        "///A/5",
        "///A/7"
      ],
      "nt_type": "RNA",
      "dbn": "(",
      "summary": "anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem",
      "alpha": -67.537,
      "beta": 175.332,
      "gamma": 52.896,
      "delta": 76.232,
      "epsilon": -152.127,
      "zeta": -74.710,
      "epsilon_zeta": -77.417,
      "bb_type": "BI",
      "chi": -160.661,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.673,
        8.759,
        0.353
      ],
      "P_xyz": [
        0.831,
        9.434,
        0.570
      ],
      "form": "A",
      "ssZp": 4.287,
      "Dp": 4.716,
      "splay_angle": 22.397,
      "splay_distance": 3.548,
      "splay_ratio": 0.196,
      "d22": 4.239,
      "d64": 4.276,
      "eta": 165.925,
      "theta": -153.400,
      "eta_prime": 178.455,
      "theta_prime": -152.260,
      "eta_base": -144.617,
      "theta_base": -126.679,
      "v0": 2.103,
      "v1": -29.321,
      "v2": 43.797,
      "v3": -43.894,
      "v4": 26.416,
      "amplitude": 45.583,
      "phase_angle": 16.092,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.869,
      "filter_rmsd": 0.103,
      "frame": {
        "rmsd": 0.017,
        "origin": [
          0.705,
          -12.116,
          11.661
        ],
        "x_axis": [
          0.090,
          -0.995,
          0.051
        ],
        "y_axis": [
          0.945,
          0.102,
          0.310
        ],
        "z_axis": [
          -0.314,
          0.020,
          0.949
        ],
        "quaternion": [
          0.732,
          0.099,
          -0.125,
          -0.663
        ]
      }
    },
    {
      "index": 7,
      "index_chain": 7,
      "chain_name": "A",
      "nt_resnum": 7,
      "nt_name": "C",
      "nt_code": "C",
      "nt_id": "///A/7",
      "linked_nts": [
        "///A/6",
        "///A/8"
      ],
      "nt_type": "RNA",
      "dbn": "(",
      "summary": "anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem",
      "alpha": -64.826,
      "beta": 169.065,
      "gamma": 55.413,
      "delta": 76.415,
      "epsilon": -148.786,
      "zeta": -71.515,
      "epsilon_zeta": -77.271,
      "bb_type": "BI",
      "chi": -165.554,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.365,
        8.740,
        0.626
      ],
      "P_xyz": [
        1.183,
        9.202,
        0.533
      ],
      "form": "A",
      "ssZp": 4.483,
      "Dp": 4.660,
      "splay_angle": 23.272,
      "splay_distance": 3.712,
      "splay_ratio": 0.206,
      "d22": null,
      "d64": null,
      "eta": 166.005,
      "theta": -147.770,
      "eta_prime": 177.002,
      "theta_prime": -146.628,
      "eta_base": -144.296,
      "theta_base": -122.603,
      "v0": 4.296,
      "v1": -28.259,
      "v2": 40.510,
      "v3": -39.096,
      "v4": 21.750,
      "amplitude": 41.540,
      "phase_angle": 12.785,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.874,
      "filter_rmsd": 0.065,
      "frame": {
        "rmsd": 0.022,
        "origin": [
          -1.482,
          -12.969,
          14.321
        ],
        "x_axis": [
          0.596,
          -0.797,
          0.100
        ],
        "y_axis": [
          0.742,
          0.594,
          0.312
        ],
        "z_axis": [
          -0.307,
          -0.112,
          0.945
        ],
        "quaternion": [
          0.885,
          0.120,
          -0.115,
          -0.434
        ]
      }
    },
    {
      "index": 8,
      "index_chain": 8,
      "chain_name": "A",
      "nt_resnum": 8,
      "nt_name": "G",
      "nt_code": "G",
      "nt_id": "///A/8",
      "linked_nts": [
        "///A/7",
        null
      ],
      "nt_type": "RNA",
      "dbn": "(",
      "summary": "anti,~C3'-endo,canonical,non-pair-contact,helix-end,stem-end",
      "alpha": -62.307,
      "beta": 173.135,
      "gamma": 56.913,
      "delta": 77.359,
      "epsilon": null,
      "zeta": null,
      "epsilon_zeta": null,
      "bb_type": "--",
      "chi": -165.103,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.610,
        8.790,
        0.563
      ],
      "P_xyz": [
        0.944,
        9.308,
        0.864
      ],
      "form": "-",
      "ssZp": null,
      "Dp": null,
      "splay_angle": null,
      "splay_distance": null,
      "splay_ratio": null,
      "d22": null,
      "d64": null,
      "eta": null,
      "theta": null,
      "eta_prime": null,
      "theta_prime": null,
      "eta_base": null,
      "theta_base": null,
      "v0": 1.905,
      "v1": -25.436,
      "v2": 38.260,
      "v3": -38.006,
      "v4": 22.539,
      "amplitude": 39.752,
      "phase_angle": 15.747,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.895,
      "filter_rmsd": 0.026,
      "frame": {
        "rmsd": 0.026,
        "origin": [
          -2.856,
          -15.219,
          16.934
        ],
        "x_axis": [
          0.940,
          -0.340,
          0.029
        ],
        "y_axis": [
          0.318,
          0.902,
          0.291
        ],
        "z_axis": [
          -0.125,
          -0.264,
          0.956
        ],
        "quaternion": [
          0.975,
          0.142,
          -0.040,
          -0.169
        ]
      }
    },
    {
      "index": 9,
      "index_chain": 1,
      "chain_name": "B",
      "nt_resnum": 1,
      "nt_name": "CBV",
      "nt_code": "c",
      "is_modified": true,
      "nt_id": "///B/1",
      "linked_nts": [
        null,
        "///B/2"
      ],
      "nt_type": "RNA",
      "dbn": ")",
      "summary": "modified,anti,~C3'-endo,BI,non-stack,canonical,helix-end,stem-end",
      "alpha": null,
      "beta": null,
      "gamma": 60.386,
      "delta": 72.530,
      "epsilon": -142.256,
      "zeta": -68.622,
      "epsilon_zeta": -73.634,
      "bb_type": "BI",
      "chi": -158.902,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.272,
        8.730,
        0.594
      ],
      "P_xyz": [
        null,
        null,
        null
      ],
      "form": "A",
      "ssZp": 4.385,
      "Dp": 4.741,
      "splay_angle": 24.147,
      "splay_distance": 3.828,
      "splay_ratio": 0.211,
      "d22": null,
      "d64": null,
      "eta": null,
      "theta": null,
      "eta_prime": null,
      "theta_prime": null,
      "eta_base": null,
      "theta_base": null,
      "v0": 13.120,
      "v1": -35.670,
      "v2": 42.514,
      "v3": -35.366,
      "v4": 11.725,
      "amplitude": 42.518,
      "phase_angle": 359.256,
      "puckering": "C2'-exo",
      "sugar_class": "~C3'-endo",
      "bin": "inc",
      "cluster": "__",
      "suiteness": 0.000,
      "filter_rmsd": 0.075,
      "frame": {
        "rmsd": 0.022,
        "origin": [
          -2.651,
          -15.194,
          17.048
        ],
        "x_axis": [
          0.952,
          -0.233,
          -0.200
        ],
        "y_axis": [
          -0.300,
          -0.845,
          -0.443
        ],
        "z_axis": [
          -0.066,
          0.481,
          -0.874
        ],
        "quaternion": [
          -0.241,
          0.958,
          -0.139,
          -0.069
        ]
      }
    },
    {
      "index": 10,
      "index_chain": 2,
      "chain_name": "B",
      "nt_resnum": 2,
      "nt_name": "G",
      "nt_code": "G",
      "nt_id": "///B/2",
      "linked_nts": [
        "///B/1",
        "///B/3"
      ],
      "nt_type": "RNA",
      "dbn": ")",
      "summary": "anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem,phosphate",
      "alpha": -67.846,
      "beta": 176.918,
      "gamma": 52.028,
      "delta": 76.792,
      "epsilon": -145.150,
      "zeta": -71.344,
      "epsilon_zeta": -73.807,
      "bb_type": "BI",
      "chi": -164.393,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.447,
        8.710,
        0.762
      ],
      "P_xyz": [
        1.082,
        9.187,
        1.097
      ],
      "form": "A",
      "ssZp": 4.496,
      "Dp": 4.725,
      "splay_angle": 23.180,
      "splay_distance": 3.648,
      "splay_ratio": 0.204,
      "d22": null,
      "d64": null,
      "eta": 164.150,
      "theta": -144.774,
      "eta_prime": 175.920,
      "theta_prime": -143.223,
      "eta_base": -146.354,
      "theta_base": -112.753,
      "v0": 3.690,
      "v1": -28.600,
      "v2": 41.517,
      "v3": -40.907,
      "v4": 23.388,
      "amplitude": 42.800,
      "phase_angle": 14.062,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.748,
      "filter_rmsd": 0.027,
      "frame": {
        "rmsd": 0.027,
        "origin": [
          -1.523,
          -12.680,
          14.391
        ],
        "x_axis": [
          0.652,
          -0.745,
          -0.140
        ],
        "y_axis": [
          -0.746,
          -0.597,
          -0.294
        ],
        "z_axis": [
          0.136,
          0.296,
          -0.945
        ],
        "quaternion": [
          -0.165,
          0.894,
          -0.417,
          -0.001
        ]
      }
    },
    {
      "index": 11,
      "index_chain": 3,
      "chain_name": "B",
      "nt_resnum": 3,
      "nt_name": "A",
      "nt_code": "A",
      "nt_id": "///B/3",
      "linked_nts": [
        "///B/2",
        "///B/4"
      ],
      "nt_type": "RNA",
      "dbn": ")",
      "summary": "anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem,phosphate",
      "alpha": -66.513,
      "beta": 173.039,
      "gamma": 53.608,
      "delta": 72.830,
      "epsilon": -151.945,
      "zeta": -71.222,
      "epsilon_zeta": -80.724,
      "bb_type": "BI",
      "chi": -166.681,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.415,
        8.660,
        0.813
      ],
      "P_xyz": [
        1.118,
        9.167,
        0.686
      ],
      "form": "A",
      "ssZp": 4.609,
      "Dp": 4.716,
      "splay_angle": 23.862,
      "splay_distance": 3.737,
      "splay_ratio": 0.213,
      "d22": null,
      "d64": null,
      "eta": 161.791,
      "theta": -152.540,
      "eta_prime": 175.688,
      "theta_prime": -149.327,
      "eta_base": -137.036,
      "theta_base": -127.003,
      "v0": 6.146,
      "v1": -31.542,
      "v2": 43.731,
      "v3": -41.679,
      "v4": 22.448,
      "amplitude": 44.567,
      "phase_angle": 11.113,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.780,
      "filter_rmsd": 0.046,
      "frame": {
        "rmsd": 0.025,
        "origin": [
          0.813,
          -12.128,
          11.645
        ],
        "x_axis": [
          0.101,
          -0.974,
          -0.202
        ],
        "y_axis": [
          -0.967,
          -0.048,
          -0.250
        ],
        "z_axis": [
          0.234,
          0.220,
          -0.947
        ],
        "quaternion": [
          -0.162,
          0.724,
          -0.671,
          0.011
        ]
      }
    },
    {
      "index": 12,
      "index_chain": 4,
      "chain_name": "B",
      "nt_resnum": 4,
      "nt_name": "A",
      "nt_code": "A",
      "nt_id": "///B/4",
      "linked_nts": [
        "///B/3",
        "///B/5"
      ],
      "nt_type": "RNA",
      "dbn": ")",
      "summary": "anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem,phosphate",
      "alpha": -58.797,
      "beta": 170.357,
      "gamma": 61.476,
      "delta": 78.996,
      "epsilon": -147.582,
      "zeta": -81.927,
      "epsilon_zeta": -65.655,
      "bb_type": "BI",
      "chi": -161.746,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.520,
        8.714,
        0.592
      ],
      "P_xyz": [
        1.047,
        9.152,
        0.616
      ],
      "form": "A",
      "ssZp": 4.344,
      "Dp": 4.660,
      "splay_angle": 25.550,
      "splay_distance": 4.007,
      "splay_ratio": 0.221,
      "d22": null,
      "d64": null,
      "eta": -177.500,
      "theta": -152.447,
      "eta_prime": -164.974,
      "theta_prime": -149.787,
      "eta_base": -132.983,
      "theta_base": -136.404,
      "v0": 5.493,
      "v1": -28.719,
      "v2": 40.468,
      "v3": -38.258,
      "v4": 20.532,
      "amplitude": 41.248,
      "phase_angle": 11.163,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.723,
      "filter_rmsd": 0.037,
      "frame": {
        "rmsd": 0.014,
        "origin": [
          3.436,
          -12.569,
          9.020
        ],
        "x_axis": [
          -0.410,
          -0.889,
          -0.204
        ],
        "y_axis": [
          -0.861,
          0.451,
          -0.235
        ],
        "z_axis": [
          0.301,
          0.080,
          -0.950
        ],
        "quaternion": [
          0.151,
          -0.522,
          0.838,
          -0.046
        ]
      }
    },
    {
      "index": 13,
      "index_chain": 5,
      "chain_name": "B",
      "nt_resnum": 5,
      "nt_name": "U5M",
      "nt_code": "u",
      "is_modified": true,
      "nt_id": "///B/5",
      "linked_nts": [
        "///B/4",
        "///B/6"
      ],
      "nt_type": "RNA",
      "dbn": ")",
      "summary": "modified,anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem",
      "alpha": -91.829,
      "beta": -173.966,
      "gamma": 56.043,
      "delta": 83.567,
      "epsilon": -153.048,
      "zeta": -72.629,
      "epsilon_zeta": -80.419,
      "bb_type": "BI",
      "chi": -155.958,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.475,
        8.725,
        0.239
      ],
      "P_xyz": [
        1.201,
        8.958,
        0.595
      ],
      "form": "A",
      "ssZp": 4.166,
      "Dp": 4.625,
      "splay_angle": 18.248,
      "splay_distance": 2.893,
      "splay_ratio": 0.159,
      "d22": 4.162,
      "d64": 3.806,
      "eta": 161.408,
      "theta": -143.044,
      "eta_prime": 168.458,
      "theta_prime": -144.019,
      "eta_base": -169.130,
      "theta_base": -115.154,
      "v0": 2.254,
      "v1": -27.593,
      "v2": 41.429,
      "v3": -40.489,
      "v4": 23.357,
      "amplitude": 42.877,
      "phase_angle": 14.930,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.418,
      "filter_rmsd": 0.099,
      "frame": {
        "rmsd": 0.021,
        "origin": [
          5.780,
          -12.598,
          5.770
        ],
        "x_axis": [
          -0.831,
          -0.535,
          0.153
        ],
        "y_axis": [
          -0.556,
          0.813,
          -0.172
        ],
        "z_axis": [
          -0.033,
          -0.228,
          -0.973
        ],
        "quaternion": [
          -0.049,
          -0.287,
          0.951,
          -0.105
        ]
      }
    },
    {
      "index": 14,
      "index_chain": 6,
      "chain_name": "B",
      "nt_resnum": 6,
      "nt_name": "U",
      "nt_code": "U",
      "nt_id": "///B/6",
      "linked_nts": [
        "///B/5",
        "///B/7"
      ],
      "nt_type": "RNA",
      "dbn": ")",
      "summary": "anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem",
      "alpha": -69.471,
      "beta": 164.819,
      "gamma": 56.527,
      "delta": 79.858,
      "epsilon": -153.053,
      "zeta": -62.857,
      "epsilon_zeta": -90.197,
      "bb_type": "BI",
      "chi": -156.680,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.531,
        8.771,
        0.094
      ],
      "P_xyz": [
        1.077,
        9.108,
        -0.310
      ],
      "form": "A",
      "ssZp": 4.175,
      "Dp": 4.617,
      "splay_angle": 24.501,
      "splay_distance": 3.924,
      "splay_ratio": 0.214,
      "d22": 3.824,
      "d64": 4.147,
      "eta": 161.507,
      "theta": -137.814,
      "eta_prime": 177.593,
      "theta_prime": -140.754,
      "eta_base": -135.543,
      "theta_base": -109.904,
      "v0": 4.988,
      "v1": -29.839,
      "v2": 42.393,
      "v3": -40.388,
      "v4": 22.262,
      "amplitude": 43.346,
      "phase_angle": 12.038,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.932,
      "filter_rmsd": 0.108,
      "frame": {
        "rmsd": 0.022,
        "origin": [
          5.434,
          -14.261,
          3.428
        ],
        "x_axis": [
          -0.999,
          -0.022,
          0.050
        ],
        "y_axis": [
          -0.041,
          0.909,
          -0.416
        ],
        "z_axis": [
          -0.036,
          -0.417,
          -0.908
        ],
        "quaternion": [
          -0.022,
          -0.016,
          0.977,
          -0.213
        ]
      }
    },
    {
      "index": 15,
      "index_chain": 7,
      "chain_name": "B",
      "nt_resnum": 7,
      "nt_name": "C",
      "nt_code": "C",
      "nt_id": "///B/7",
      "linked_nts": [
        "///B/6",
        "///B/8"
      ],
      "nt_type": "RNA",
      "dbn": ")",
      "summary": "anti,~C3'-endo,BI,canonical,non-pair-contact,helix,stem",
      "alpha": -66.958,
      "beta": 167.606,
      "gamma": 58.579,
      "delta": 77.157,
      "epsilon": -158.720,
      "zeta": -68.372,
      "epsilon_zeta": -90.348,
      "bb_type": "BI",
      "chi": -165.887,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.510,
        8.790,
        0.697
      ],
      "P_xyz": [
        0.985,
        9.381,
        0.402
      ],
      "form": "A",
      "ssZp": 4.560,
      "Dp": 4.648,
      "splay_angle": 24.216,
      "splay_distance": 3.779,
      "splay_ratio": 0.213,
      "d22": null,
      "d64": null,
      "eta": 164.828,
      "theta": -152.444,
      "eta_prime": -176.223,
      "theta_prime": -150.945,
      "eta_base": -123.177,
      "theta_base": -127.307,
      "v0": 2.848,
      "v1": -27.294,
      "v2": 40.279,
      "v3": -39.189,
      "v4": 22.592,
      "amplitude": 41.571,
      "phase_angle": 14.317,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.884,
      "filter_rmsd": 0.065,
      "frame": {
        "rmsd": 0.011,
        "origin": [
          3.261,
          -16.358,
          0.922
        ],
        "x_axis": [
          -0.824,
          0.551,
          -0.136
        ],
        "y_axis": [
          0.551,
          0.718,
          -0.425
        ],
        "z_axis": [
          -0.136,
          -0.425,
          -0.895
        ],
        "quaternion": [
          0.000,
          0.297,
          0.927,
          -0.229
        ]
      }
    },
    {
      "index": 16,
      "index_chain": 8,
      "chain_name": "B",
      "nt_resnum": 8,
      "nt_name": "G",
      "nt_code": "G",
      "nt_id": "///B/8",
      "linked_nts": [
        "///B/7",
        null
      ],
      "nt_type": "RNA",
      "dbn": ")",
      "summary": "anti,~C3'-endo,canonical,non-pair-contact,helix-end,stem-end",
      "alpha": -67.453,
      "beta": -172.396,
      "gamma": 54.466,
      "delta": 80.990,
      "epsilon": null,
      "zeta": null,
      "epsilon_zeta": null,
      "bb_type": "--",
      "chi": -155.311,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.291,
        8.767,
        0.103
      ],
      "P_xyz": [
        1.228,
        9.081,
        0.854
      ],
      "form": "-",
      "ssZp": null,
      "Dp": null,
      "splay_angle": null,
      "splay_distance": null,
      "splay_ratio": null,
      "d22": null,
      "d64": null,
      "eta": null,
      "theta": null,
      "eta_prime": null,
      "theta_prime": null,
      "eta_base": null,
      "theta_base": null,
      "v0": 2.302,
      "v1": -24.098,
      "v2": 36.094,
      "v3": -35.127,
      "v4": 20.557,
      "amplitude": 37.327,
      "phase_angle": 14.768,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.843,
      "filter_rmsd": 0.025,
      "frame": {
        "rmsd": 0.025,
        "origin": [
          1.095,
          -18.335,
          -1.461
        ],
        "x_axis": [
          -0.305,
          0.949,
          -0.083
        ],
        "y_axis": [
          0.897,
          0.257,
          -0.360
        ],
        "z_axis": [
          -0.320,
          -0.185,
          -0.929
        ],
        "quaternion": [
          -0.075,
          0.585,
          0.789,
          -0.173
        ]
      }
    }
  ],
  "num_hbonds": 34,
  "hbonds": [
    {
      "index": 1,
      "atom1_serNum": 1,
      "atom2_serNum": 570,
      "donAcc_type": "standard",
      "distance": 3.172,
      "atom1_id": "///A/1/O5'",
      "atom2_id": "///B/101/N3",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 2,
      "atom1_serNum": 12,
      "atom2_serNum": 501,
      "donAcc_type": "standard",
      "distance": 2.931,
      "atom1_id": "///A/1/O2",
      "atom2_id": "///B/8/N2",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 3,
      "atom1_serNum": 13,
      "atom2_serNum": 499,
      "donAcc_type": "standard",
      "distance": 2.934,
      "atom1_id": "///A/1/N3",
      "atom2_id": "///B/8/N1",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 4,
      "atom1_serNum": 15,
      "atom2_serNum": 498,
      "donAcc_type": "standard",
      "distance": 2.886,
      "atom1_id": "///A/1/N4",
      "atom2_id": "///B/8/O6",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 5,
      "atom1_serNum": 31,
      "atom2_serNum": 570,
      "donAcc_type": "standard",
      "distance": 3.221,
      "atom1_id": "///A/2/OP2",
      "atom2_id": "///B/101/N3",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 6,
      "atom1_serNum": 46,
      "atom2_serNum": 467,
      "donAcc_type": "standard",
      "distance": 2.903,
      "atom1_id": "///A/2/O6",
      "atom2_id": "///B/7/N4",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 7,
      "atom1_serNum": 47,
      "atom2_serNum": 465,
      "donAcc_type": "standard",
      "distance": 2.878,
      "atom1_id": "///A/2/N1",
      "atom2_id": "///B/7/N3",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 8,
      "atom1_serNum": 49,
      "atom2_serNum": 464,
      "donAcc_type": "standard",
      "distance": 2.838,
      "atom1_id": "///A/2/N2",
      "atom2_id": "///B/7/O2",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 9,
      "atom1_serNum": 65,
      "atom2_serNum": 518,
      "donAcc_type": "standard",
      "distance": 2.991,
      "atom1_id": "///A/3/OP2",
      "atom2_id": "///A/101/N1",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 10,
      "atom1_serNum": 65,
      "atom2_serNum": 520,
      "donAcc_type": "standard",
      "distance": 3.327,
      "atom1_id": "///A/3/OP2",
      "atom2_id": "///A/101/N3",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 11,
      "atom1_serNum": 80,
      "atom2_serNum": 437,
      "donAcc_type": "standard",
      "distance": 2.864,
      "atom1_id": "///A/3/N6",
      "atom2_id": "///B/6/O4",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 12,
      "atom1_serNum": 81,
      "atom2_serNum": 435,
      "donAcc_type": "standard",
      "distance": 2.875,
      "atom1_id": "///A/3/N1",
      "atom2_id": "///B/6/N3",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 13,
      "atom1_serNum": 97,
      "atom2_serNum": 543,
      "donAcc_type": "standard",
      "distance": 3.023,
      "atom1_id": "///A/4/OP1",
      "atom2_id": "///A/102/N1",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 14,
      "atom1_serNum": 97,
      "atom2_serNum": 546,
      "donAcc_type": "standard",
      "distance": 2.857,
      "atom1_id": "///A/4/OP1",
      "atom2_id": "///A/102/N4",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 15,
      "atom1_serNum": 113,
      "atom2_serNum": 391,
      "donAcc_type": "standard",
      "distance": 2.867,
      "atom1_id": "///A/4/N6",
      "atom2_id": "///B/5/O4",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 16,
      "atom1_serNum": 114,
      "atom2_serNum": 389,
      "donAcc_type": "standard",
      "distance": 2.892,
      "atom1_id": "///A/4/N1",
      "atom2_id": "///B/5/N3",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 17,
      "atom1_serNum": 131,
      "atom2_serNum": 372,
      "donAcc_type": "standard",
      "distance": 2.826,
      "atom1_id": "///A/5/N3",
      "atom2_id": "///B/4/N1",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 18,
      "atom1_serNum": 133,
      "atom2_serNum": 371,
      "donAcc_type": "standard",
      "distance": 2.993,
      "atom1_id": "///A/5/O4",
      "atom2_id": "///B/4/N6",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 19,
      "atom1_serNum": 133,
      "atom2_serNum": 522,
      "donAcc_type": "standard",
      "distance": 3.048,
      "atom1_id": "///A/5/O4",
      "atom2_id": "///A/101/N5",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 20,
      "atom1_serNum": 149,
      "atom2_serNum": 543,
      "donAcc_type": "standard",
      "distance": 3.013,
      "atom1_id": "///A/5/OP2",
      "atom2_id": "///A/102/N1",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 21,
      "atom1_serNum": 177,
      "atom2_serNum": 339,
      "donAcc_type": "standard",
      "distance": 2.818,
      "atom1_id": "///A/6/N3",
      "atom2_id": "///B/3/N1",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 22,
      "atom1_serNum": 179,
      "atom2_serNum": 338,
      "donAcc_type": "standard",
      "distance": 3.054,
      "atom1_id": "///A/6/O4",
      "atom2_id": "///B/3/N6",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 23,
      "atom1_serNum": 179,
      "atom2_serNum": 522,
      "donAcc_type": "standard",
      "distance": 3.657,
      "atom1_id": "///A/6/O4",
      "atom2_id": "///A/101/N5",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 24,
      "atom1_serNum": 206,
      "atom2_serNum": 307,
      "donAcc_type": "standard",
      "distance": 2.836,
      "atom1_id": "///A/7/O2",
      "atom2_id": "///B/2/N2",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 25,
      "atom1_serNum": 207,
      "atom2_serNum": 305,
      "donAcc_type": "standard",
      "distance": 2.896,
      "atom1_id": "///A/7/N3",
      "atom2_id": "///B/2/N1",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 26,
      "atom1_serNum": 209,
      "atom2_serNum": 304,
      "donAcc_type": "standard",
      "distance": 2.907,
      "atom1_id": "///A/7/N4",
      "atom2_id": "///B/2/O6",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 27,
      "atom1_serNum": 240,
      "atom2_serNum": 273,
      "donAcc_type": "standard",
      "distance": 2.877,
      "atom1_id": "///A/8/O6",
      "atom2_id": "///B/1/N4",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 28,
      "atom1_serNum": 241,
      "atom2_serNum": 271,
      "donAcc_type": "standard",
      "distance": 2.911,
      "atom1_id": "///A/8/N1",
      "atom2_id": "///B/1/N3",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 29,
      "atom1_serNum": 243,
      "atom2_serNum": 270,
      "donAcc_type": "standard",
      "distance": 2.861,
      "atom1_id": "///A/8/N2",
      "atom2_id": "///B/1/O2",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 30,
      "atom1_serNum": 289,
      "atom2_serNum": 569,
      "donAcc_type": "standard",
      "distance": 3.120,
      "atom1_id": "///B/2/OP2",
      "atom2_id": "///B/101/N2",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 31,
      "atom1_serNum": 323,
      "atom2_serNum": 569,
      "donAcc_type": "standard",
      "distance": 2.905,
      "atom1_id": "///B/3/OP2",
      "atom2_id": "///B/101/N2",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 32,
      "atom1_serNum": 323,
      "atom2_serNum": 571,
      "donAcc_type": "standard",
      "distance": 3.000,
      "atom1_id": "///B/3/OP2",
      "atom2_id": "///B/101/N4",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 33,
      "atom1_serNum": 323,
      "atom2_serNum": 572,
      "donAcc_type": "standard",
      "distance": 2.905,
      "atom1_id": "///B/3/OP2",
      "atom2_id": "///B/101/N5",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    },
    {
      "index": 34,
      "atom1_serNum": 355,
      "atom2_serNum": 594,
      "donAcc_type": "standard",
      "distance": 3.418,
      "atom1_id": "///B/4/OP1",
      "atom2_id": "///B/102/N2",
      "atom_pair": "O:N",
      "residue_pair": "nt:ligand"
    }
  ],
  "refCoords": {
    "purine": [
      "   12 ATOMS,    12 BONDS",
      "    1 N      -2.2500   5.0000   0.4000",
      "    2 N      -2.2500  -0.5000   0.4000",
      "    3 N      -2.2500  -0.5000  -0.4000",
      "    4 N      -2.2500   5.0000  -0.4000",
      "    5 C       1.2500   5.0000   0.4000",
      "    6 C       1.2500  -0.5000   0.4000",
      "    7 C       1.2500  -0.5000  -0.4000",
      "    8 C       1.2500   5.0000  -0.4000",
      "    9 C      -2.2500   5.0000   0.4000",
      "   10 C      -2.2500  -0.5000   0.4000",
      "   11 C      -2.2500  -0.5000  -0.4000",
      "   12 C      -2.2500   5.0000  -0.4000",
      "    1     1     2",
      "    2     2     3",
      "    3     3     4",
      "    4     4     1",
      "    5     5     6",
      "    6     6     7",
      "    7     7     8",
      "    8     5     8",
      "    9     9     5",
      "   10    10     6",
      "   11    11     7",
      "   12    12     8"
    ],
    "pyrimidine": [
      "   12 ATOMS,    12 BONDS",
      "    1 N      -2.2500   5.0000   0.4000",
      "    2 N      -2.2500   1.0000   0.4000",
      "    3 N      -2.2500   1.0000  -0.4000",
      "    4 N      -2.2500   5.0000  -0.4000",
      "    5 C       1.2500   5.0000   0.4000",
      "    6 C       1.2500   1.0000   0.4000",
      "    7 C       1.2500   1.0000  -0.4000",
      "    8 C       1.2500   5.0000  -0.4000",
      "    9 C      -2.2500   5.0000   0.4000",
      "   10 C      -2.2500   1.0000   0.4000",
      "   11 C      -2.2500   1.0000  -0.4000",
      "   12 C      -2.2500   5.0000  -0.4000",
      "    1     1     2",
      "    2     2     3",
      "    3     3     4",
      "    4     4     1",
      "    5     5     6",
      "    6     6     7",
      "    7     7     8",
      "    8     5     8",
      "    9     9     5",
      "   10    10     6",
      "   11    11     7",
      "   12    12     8"
    ],
    "wc_pair": [
      "   12 ATOMS,    12 BONDS",
      "    1 N      -2.2500   5.0000   0.4000",
      "    2 N      -2.2500  -5.0000   0.4000",
      "    3 N      -2.2500  -5.0000  -0.4000",
      "    4 N      -2.2500   5.0000  -0.4000",
      "    5 C       2.2500   5.0000   0.4000",
      "    6 C       2.2500  -5.0000   0.4000",
      "    7 C       2.2500  -5.0000  -0.4000",
      "    8 C       2.2500   5.0000  -0.4000",
      "    9 C      -2.2500   5.0000   0.4000",
      "   10 C      -2.2500  -5.0000   0.4000",
      "   11 C      -2.2500  -5.0000  -0.4000",
      "   12 C      -2.2500   5.0000  -0.4000",
      "    1     1     2",
      "    2     2     3",
      "    3     3     4",
      "    4     4     1",
      "    5     5     6",
      "    6     6     7",
      "    7     7     8",
      "    8     5     8",
      "    9     9     5",
      "   10    10     6",
      "   11    11     7",
      "   12    12     8"
    ]
  },
  "metadata": {
    "license": "http://innovation.columbia.edu/technologies/CU20391",
    "url": "http://x3dna.org/",
    "url_alt": "http://home.x3dna.org/",
    "forum": "http://forum.x3dna.org/",
    "citation": "Lu et al. (2015). 'DSSR: an integrated software tool for dissecting the spatial structure of RNA.' Nucleic Acids Res., 43(21):e142 [doi:10.1093/nar/gkv716].",
    "str_id": "5d8t",
    "num_naChains": 2,
    "naChains": "A=8,B=8",
    "num_atoms": 740,
    "num_waters": 126,
    "num_metals": 4,
    "metals_desc": "Co=4",
    "num_notes": 52,
    "notes": [
      {
        "Aminors": "A-minor interactions (including types I and II)"
      },
      {
        "Cstem_index": "stem index of the 'Canonical' helix in k-turn"
      },
      {
        "Cstem_pair": "Cstem bp delineating the k-turn internal loop"
      },
      {
        "Dp": "perpendicular distance of the 3' P atom to the glycosidic bond"
      },
      {
        "GA_pair": "sheared G-A pair in k-turn"
      },
      {
        "HtypePknot": "H-type pseudoknot"
      },
      {
        "Kturn": "kink-turn (k-turn)"
      },
      {
        "LW": "Leontis-Westhof"
      },
      {
        "NCstem_index": "stem index of the 'Non-Canonical' helix in k-turn"
      },
      {
        "NCstem_pair": "NCstem bp delineating the k-turn internal loop"
      },
      {
        "Uturn": "U-turn of the UNR- or GNRA-type"
      },
      {
        "aa": "amino acid"
      },
      {
        "atom_pair": "symbols of the two atoms involved in an H-bond"
      },
      {
        "auxfiles": "auxiliary files"
      },
      {
        "glyco_bond": "conformation of base related to sugar (syn or anti)"
      },
      {
        "bb_type": "backbone conformation, BI or BII"
      },
      {
        "bending_angle": "angle between two helical axes"
      },
      {
        "bp": "base pair"
      },
      {
        "bseq": "base sequence in one-letter code"
      },
      {
        "bulge": "bulge loop"
      },
      {
        "coaxStacks": "coaxial stacking of stems within a helix"
      },
      {
        "dbn": "dot bracket notation"
      },
      {
        "desc": "description"
      },
      {
        "donAcc_type": "donor/acceptor type of the atom pair in an H-bond"
      },
      {
        "epsilon_zeta": "difference between epsilon and zeta torsion angles"
      },
      {
        "hairpin": "hairpin loop"
      },
      {
        "hbond": "hydrogen bond (H-bond)"
      },
      {
        "helix": "defined by base-stacking interactions, regardless of bp type and backbone connectivity"
      },
      {
        "id": "identifier"
      },
      {
        "iloop": "internal loop"
      },
      {
        "index": "serial number"
      },
      {
        "isoCanonPairs": "isolated canonical pairs"
      },
      {
        "junction": "(multi-branched) junction loop"
      },
      {
        "kissingLoop": "kissing loop"
      },
      {
        "multiplet": "3+ bases in a coplanar geometry"
      },
      {
        "na": "nucleic acid"
      },
      {
        "nonPair": "two nts not forming a pair, but with H-bonding/stacking interactions"
      },
      {
        "nonStack": "nucleotide not involved in stacking interactions"
      },
      {
        "nt": "nucleotide"
      },
      {
        "num": "number"
      },
      {
        "oArea": "overlap areas between two bases, including exocyclic atoms"
      },
      {
        "oArea_ring": "overlap areas between two bases, including only ring atoms"
      },
      {
        "phosContacts": "H-bonding and atom-capping interactions involving a phosphate"
      },
      {
        "residue_pair": "types of the two residues involved in an H-bond"
      },
      {
        "rmsd": "root-mean-squares deviation"
      },
      {
        "serNum": "serial number"
      },
      {
        "ssSegments": "single-stranded segments not involved in loops"
      },
      {
        "ssZp": "Z-coordinate of the 3' phosphorus atom with reference to the 5' base plane"
      },
      {
        "sstr": "secondary structure in dbn"
      },
      {
        "stem": "helix consisting of only canonical pairs, with a continuous backbone"
      },
      {
        "str_id": "structure identifier, derived from inpfile with extension removed"
      },
      {
        "vert_dist": "vertical distance from an atom to a base plane"
      }
    ],
    "num_auxfiles": 11,
    "auxfiles": [
      {
        "index": 1,
        "name": "dssr-pairs.pdb",
        "desc": "an ensemble of base pairs"
      },
      {
        "index": 2,
        "name": "dssr-stems.pdb",
        "desc": "an ensemble of stems"
      },
      {
        "index": 3,
        "name": "dssr-helices.pdb",
        "desc": "an ensemble of helices (coaxial stacking)"
      },
      {
        "index": 4,
        "name": "dssr-2ndstrs.bpseq",
        "desc": "secondary structure in bpseq format"
      },
      {
        "index": 5,
        "name": "dssr-2ndstrs.ct",
        "desc": "secondary structure in connectivity table format"
      },
      {
        "index": 6,
        "name": "dssr-2ndstrs.dbn",
        "desc": "secondary structure in dot-bracket notation"
      },
      {
        "index": 7,
        "name": "dssr-torsions.txt",
        "desc": "backbone torsion angles and suite names"
      },
      {
        "index": 8,
        "name": "dssr-rotmat.txt",
        "desc": "position vector and rotation matrix"
      },
      {
        "index": 9,
        "name": "dssr-viewV.pdb",
        "desc": "vertical view of the principal moment of inertia"
      },
      {
        "index": 10,
        "name": "dssr-viewH.pdb",
        "desc": "horizontal view of the principal moment of inertia"
      },
      {
        "index": 11,
        "name": "dssr-viewT.pdb",
        "desc": "top view of the principal moment of inertia"
      }
    ],
    "time_used": "999"
  }
}
