A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 29-Jun-2022 number of released structures: 12153
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NDB ID: 4X4S  PDB ID: 4X4S 


Base Pair Morphology Parameters

CSV Format

Model NumberPair NumberPair NameShearStretchStaggerBucklePropellorOpening
110B_A10:U22_B-0.3280.2470.231.181-9.52-2.999
13B_C3:G32_B-0.0060.089-0.2815.767-16.7762.109
14B_C4:G28_B-0.5520.6270.534-0.753-13.73216.124
16B_C6:G26_B0.3610.049-0.1270.173-21.4014.449
19B_C9:G23_B0.0620.1530.3780.894-16.9863.265
11B_G1:C34_B0.110.091.0838.697-6.949-3.117
12B_G2:C33_B0.097-0.1430.3249.49-16.4011.793
15B_G5:C27_B0.1660.1570.0214.31-29.4813.973
17B_G7:C25_B-1.102-0.2140.142-3.463-11.066-3.116
18B_G8:C24_B-0.915-0.5520.4330.367-17.823-12.528
111B_G11:C21_B0.711-0.0260.1622.532-13.805-1.113
112B_G12:C20_B0.381-0.048-0.459-16.356-19.555-6.163
113B_U13:A17_B4.131-2.0730.3793.18811.96-96.729
120D_A10:U22_D-0.2990.5310.125-6.491-14.6073.023
116D_C3:G32_D-0.1690.652-0.67712.46-4.0284.431
119D_C9:G23_D0.27-0.197-0.2223.703-12.1373.18
114D_G1:C34_D0.274-0.0670.9726.444-13.9160.584
115D_G2:C33_D-0.0340.032-0.1341.866-11.534.177
117D_G7:C25_D-0.116-0.3610.25524.5980.484-0.997
118D_G8:C24_D-0.637-0.5470.10816.435-13.097-3.166
121D_G11:C21_D1.5780.5570.9474.707-20.94412.421
122D_G12:C20_D0.001-0.063-0.191-16.795-31.846-1.811

The above values were obtained using first alternate conformation only and calculated by 3DNA program.
Xiang-Jun Lu & Wilma K. Olson (2003). '3DNA: a software package for the analysis, rebuilding and visualization of three-dimensional nucleic acid structures', Nucleic Acids Res.31(17), 5108-21.
Xiang-Jun Lu & Wilma K. Olson (2008). '3DNA: a versatile, integrated software system for the analysis, rebuilding and visualization of three-dimensional nucleic-acid structures', Nat Protoc.3(7), 1213-27.