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Table 2 Mean and standard deviation values (given in parentheses, reported only for datasets with size ≥ 5) for Z p for the ten dinucleotide steps containing Watson-Crick basepairs.

From: Small local variations in B-form DNA lead to a large variety of global geometries which can accommodate most DNA-binding protein motifs

  Z p
  RNA Free Complex HTH
Dinucleotide Sequence*   A-like (Z p > 1.3 Å) B-like (Z p ≤ 0.8 Å) All Excl. TEH† All Excl. TC ‡
AA/TT 2.1 (0.2) NA -0.5 (0.4) -0.5 (0.5) -0.4 (0.4) -0.4 (0.5) -0.4 (0.4)
AG/CT 2.2 (0.3) 2.2 NA -0.6 (0.6) 0.0 (0.8) -0.3 (0.6) 0.0 (0.6) -0.0 (0.6)
GA/TC 2.4 (0.4) 2.1 NA -0.2 (0.4) -0.1 (0.7) -0.3 (0.5) -0.2 (0.5) -0.1 (0.5)
GG/CC 2.4 (0.2) 2.2 (0.3) -0.8 (0.4) 0.1 (0.7) -0.1 (0.6) 0.4 (0.9) 0.3 (0.9)
AC/GT 2.1 (0.3) 2.1 (0.3) -0.4 (0.2) -0.0 (0.5) -0.1 (0.4) 0.0 (0.6) 0.1 (0.6)
AT/AT 2.0 (0.2) 2.3 NA -0.3 (0.5) -0.0 (0.6) -0.1 (0.4) -0.1 (0.5) -0.1 (0.5)
GC/GC 2.2 (0.2) 2.0 (0.3) -0.3 (0.5) -0.3 (0.6) -0.3 (0.5) -0.0 (0.5) 0.0 (0.5)
CA/TG (BI) 2.2 (0.4) 2.0 (0.3) -0.4 NA -0.0 (0.8) -0.2 (0.5) -0.1 (0.5) -0.1 (0.5)
CA/TG (BII) NA NA -0.9 (0.3) -0.4 (0.5) -0.4 (0.5) -0.4 (0.5) -0.4 (0.5)
CG/CG 2.4 (0.3) 2.1 (0.3) -0.5 (0.5) -0.0 (0.8) 0.1 (0.6) -0.1 (0.6) -0.1 (0.6)
TA/TA 2.1 (0.2) 1.9 NA -0.6 (0.7) -0.2 (0.6) -0.2 (0.5) -0.2 (0.6) -0.2 (0.5)
Overall 2.2 (0.3) 2.1 (0.3) -0.5 (0.5) -0.1 (0.7) -0.2 (0.5) -0.1 (0.6) -0.1 (0.6)
Fibre-Model   2.5 -0.6     
  1. †TEH – TBP, Endonuclease and Hyperthermophile chromosomal protein SAC7D containing structures (excluded)
  2. ‡TC – TBP and CAP containing structures (excluded)
  3. The other specifications are as detailed in the caption to table 1.
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