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. Author manuscript; available in PMC: 2018 May 9.
Published in final edited form as: J Chem Theory Comput. 2017 Apr 19;13(5):2053–2071. doi: 10.1021/acs.jctc.7b00067

Table 2.

Relative interaction energies (kcal mol-1) between A- and B-DNA configurations.

Sequence ΔE (B-A)

QMa C36 Drude-2013 Drude-New
AA -1.75 -0.56 0.27 -0.05
AC -1.21 -0.48 -1.70 -1.42
AG -0.61 -0.47 -0.80 -1.14
AT -0.71 -0.70 -0.62 -1.22

CA -0.43 0.01 0.62 0.14
CC 1.04 2.54 0.57 -0.42
CG 0.91 -0.37 0.16 -0.19
CT -0.13 0.17 -0.19 -0.33

GA -1.43 -1.07 0.62 0.21
GC -0.01 -1.96 0.78 -0.16
GG -1.75 1.04 -1.63 -2.22
GT -1.54 0.79 -0.41 -1.21

TA 1.24 0.59 0.88 0.66
TC 0.33 1.09 0.57 0.90
TG -1.46 -0.20 -1.51 -1.98
TT -2.75 -0.49 -1.53 -2.02

Avg. Diff. 0.64 0.40 -0.01
AUE 1.12 0.69 0.70
RMSD 1.39 0.94 0.86
a

Calculated as the difference in B-DNA and A-DNA stacked monomer interaction energies listed in Table 1.