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Classification of each dinucleotide step in a right-handed nucleic acid
structure: A-like; B-like; TA-like; intermediate of A and B, or other cases

    step       Xp      Yp      Zp     XpH     YpH     ZpH    Form
   1 AA/TT   -3.16    8.85   -1.14   -3.27    8.84   -1.18     B
   2 AT/AT   -3.20    9.10   -0.64   -4.41    9.11   -0.39     B
   3 TT/AA   -3.16    8.92   -0.80   -3.17    8.84   -1.43     B
   4 TT/AA   -3.60    8.90   -0.57   -4.08    8.90   -0.66     B
   5 TC/GA   -3.20    8.80   -0.17   -2.60    8.80   -0.29     B
   6 CA/TG   -2.75    8.82   -0.54   -1.74    8.78    0.98     B
   7 AC/GT   -2.89    9.18    0.31   -4.94    9.17    0.55     B
   8 CA/TG   -2.04    8.96    0.37   -1.42    8.82    1.58     B
   9 AC/GT   -3.32    9.30   -0.21   -6.06    9.23    1.13     B
  10 CC/GG   -2.76    8.94    0.54   -3.40    8.94    0.40
  11 CT/AG   -3.01    8.85    0.70   -5.69    8.56    2.39
  12 TA/TA   -3.93    9.08   -0.83   -7.56    8.73    2.65
  13 AG/CT   -2.97    8.80    0.50   -5.76    8.32    2.97
  14 GG/CC   -2.84    8.87    0.52   -3.21    8.88    0.02
  15 GT/AC   -3.27    9.29    0.21   -5.81    9.20    1.33
  16 TG/CA   -1.70    8.97    0.53   -1.12    8.71    2.21
  17 GT/AC   -2.93    9.31   -0.12   -4.80    9.31    0.43     B
  18 TG/CA   -2.64    8.94   -0.63   -1.64    8.82    1.59     B
  19 GA/TC   -3.14    8.78   -0.32   -2.47    8.79   -0.15     B
  20 AA/TT   -3.35    8.94   -0.19   -4.34    8.93    0.42     B
  21 AA/TT   -3.14    8.87   -0.35   -3.08    8.76   -1.39     B
  22 AT/AT   -3.36    9.05   -0.95   -3.87    9.02   -1.20     B
  23 TT/AA   -3.23    8.76   -1.51   -3.08    8.74   -1.62     B
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