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File name: 1po6.pdb
    no. of DNA/RNA chains: 1 [B=11]
    no. of nucleotides:    11
    no. of atoms:          1855
    no. of waters:         155
    no. of metals:         0

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List of 1 type of 1 modified nucleotide
      nt    count  list
   1 6MI-?    1    B.6MI206

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List of 3 base stacks
  Note: A stack is an ordered list of nucleotides assembled together via
        base-stacking interactions, regardless of backbone connectivity.
        Stacking interactions within a stem are *not* included.
   1 nts=3 GGG B.DG210,B.DG211,B.DG212
   2 nts=3 FAH A.PHE17,B.DA203,A.HIS101
   3 nts=4 TRGF B.DT207,A.ARG92,B.DG204,A.PHE59

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Nucleotides not involved in stacking interactions
     nts=3 GTA B.DG205,B.DT208,B.DA209

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List of 1 non-loop single-stranded segment
   1 nts=11 TAGG?TTAGGG B.DT202,B.DA203,B.DG204,B.DG205,B.6MI206,B.DT207,B.DT208,B.DA209,B.DG210,B.DG211,B.DG212

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Secondary structures in dot-bracket notation (dbn) as a whole and per chain
>1po6 nts=11 [whole]
TAGG?TTAGGG
...........
>1po6-B #1 nts=11 3.05(1.71) [chain] DNA
TAGG?TTAGGG
...........

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Summary of structural features of 11 nucleotides
  Note: the first five columns are: (1) serial number, (2) one-letter
    shorthand name, (3) dbn, (4) id string, (5) rmsd (~zero) of base
    ring atoms fitted against those in a standard base reference
    frame. The sixth (last) column contains a comma-separated list of
    features whose meanings are mostly self-explanatory, except for:
      turn: angle C1'(i-1)--C1'(i)--C1'(i+1) < 90 degrees
      break: no backbone linkage between O3'(i-1) and P(i)
   1  T . B.DT202  0.011  anti,~C2'-endo,ss-non-loop
   2  A . B.DA203  0.009  anti,~C2'-endo,ss-non-loop
   3  G . B.DG204  0.011  syn,~C2'-endo,ss-non-loop,phosphate
   4  G . B.DG205  0.009  anti,~C2'-endo,non-stack,ss-non-loop
   5  ? . B.6MI206 ---    modified,turn,~C2'-endo,BII,non-stack,ss-non-loop
   6  T . B.DT207  0.013  anti,~C2'-endo,BII,ss-non-loop
   7  T . B.DT208  0.013  anti,~C2'-endo,non-stack,ss-non-loop
   8  A . B.DA209  0.011  anti,~C2'-endo,non-stack,ss-non-loop
   9  G . B.DG210  0.018  syn,~C2'-endo,BI,non-pair-contact,ss-non-loop
  10  G . B.DG211  0.007  anti,~C2'-endo,non-pair-contact,ss-non-loop
  11  G . B.DG212  0.007  anti,~C2'-endo,non-pair-contact,ss-non-loop

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List of 9 additional files
   1 dssr-2ndstrs.bpseq -- secondary structure in bpseq format
   2 dssr-2ndstrs.ct -- secondary structure in connectivity table format
   3 dssr-2ndstrs.dbn -- secondary structure in dot-bracket notation
   4 dssr-torsions.txt -- backbone torsion angles and suite names
   5 dssr-stacks.pdb -- an ensemble of base stacks
   6 dssr-rotmat.txt -- position vector and rotation matrix
   7 dssr-viewV.pdb -- vertical view of the principal moment of inertia
   8 dssr-viewH.pdb -- horizontal view of the principal moment of inertia
   9 dssr-viewT.pdb -- top view of the principal moment of inertia