A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 4-Dec-2019 number of released structures: 10490
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NDB ID: PD0256  PDB ID: 1K4T 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
11BB_DA1DA2:DT121DT122_DD0.6110.0253.022-1.0274.48137.911-0.482-1.0542.9896.8671.57338.179
12BB_DA2DA3:DT120DT121_DD-0.411-0.0093.205-2.342-4.18438.4120.4920.3383.207-6.3293.54238.699
13BB_DA3DA4:DT119DT120_DD0.588-0.5493.1551.893-9.01437.660.265-0.6583.222-13.714-2.8838.73
14BB_DA4DA5:DT118DT119_DD0.383-0.5733.3322.0470.07737.453-0.902-0.3233.3470.12-3.18437.507
15BB_DA5DG6:DC117DT118_DD0.265-0.4853.6262.8462.835.55-1.2360.0223.5894.568-4.64435.766
17BB_DA7DC8:DG115DT116_DD0.657-0.7173.288-2.033-1.92233.399-0.926-1.4763.279-3.3373.52933.512
18BB_DC8DT9:DA114DG115_DD-0.089-0.6763.4143.898-1.57438.943-0.8110.6223.413-2.353-5.82639.161
16BB_DG6DA7:DT116DC117_DD-0.278-0.213.066-1.956-0.36433.228-0.3090.1793.079-0.6353.41633.286
19BB_DT9DT10:DA113DA114_DD-0.261-0.3953.1892.521-1.41634.126-0.4540.833.176-2.407-4.28634.245
112CC_DA13DA14:DT109DT110_DD0.015-0.0623.327-1.634-2.44638.9590.206-0.2223.322-3.662.44539.066
113CC_DA14DA15:DT108DT109_DD0.337-0.1943.11-1.868-0.91537.283-0.188-0.763.094-1.432.91937.339
114CC_DA15DA16:DT107DT108_DD-0.048-0.2153.156-1.588-2.22439.961-0.068-0.1053.163-3.2492.32140.05
115CC_DA16DA17:DT106DT107_DD0.573-0.0453.150.674-3.85834.8650.484-0.8533.147-6.414-1.12135.078
116CC_DA17DT18:DA105DT106_DD0.049-1.0053.2411.341-3.08535.569-1.1920.1143.313-5.036-2.1935.723
111CC_DG12DA13:DT110DC111_DD-0.5410.7863.334-2.1065.67341.5880.4850.5273.437.9392.94742.007
117CC_DT18DT19:DA104DA105_DD0.21-0.4553.2570.712-2.535.559-0.38-0.243.283-4.087-1.16435.651
118CC_DT19DT20:DA103DA104_DD-0.25-0.6363.2821.121-0.9439.327-0.8320.5043.287-1.396-1.66639.353
119CC_DT20DT21:DA102DA103_DD0.545-0.0833.34-4.695-5.97233.8540.79-1.6443.206-10.0987.9434.672
120CC_DT21DT22:DA101DA102_DD0.4250.3892.8245.76.50640.973-0.056-0.0692.8829.171-8.03541.838
110CC_TGP11DG12:DC111DC112_DD-0.9590.9783.0341.4144.05429.0811.1092.1753.0898.019-2.79629.39

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.