A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 21-Aug-2019 number of released structures: 10343
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NDB ID: AR0033  PDB ID: 1IK5 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
14AA_A4U5:G24U25_BB-0.429-1.0323.0641.7469.68540.82-2.350.7632.7413.647-2.4641.94
110AA_A12CBR13:G16U17_BB-0.696-1.5683.0621.5982.04433.163-3.0511.462.9273.574-2.79533.262
16AA_C8G9:U22G23_BB0.018-2.4453.4360.7415.53321.906-8.1740.2152.74114.264-1.9122.597
111AA_CBR13C14:G15G16_BB0.196-1.9693.4180.8845.76832.139-4.496-0.1963.03310.312-1.5832.651
11AA_G1G2:CBR27C28_BB-0.416-1.6223.241-1.7037.6933.506-3.8720.4542.82713.1152.90434.393
12AA_G2U3:A26CBR27_BB1.003-1.7633.1771.793.2130.839-3.881-1.5473.0346.01-3.3531.052
17AA_G9G10:U19U22_BB2.049-1.9143.010.4658.68840.999-3.465-2.8252.59212.237-0.65641.873
18AA_G10U11:A18U19_BB0.129-0.8773.017-0.1499.71238.184-2.328-0.2082.72214.560.22339.355
13AA_U3A4:U25A26_BB-0.665-1.7823.128-2.0368.74527.807-5.2150.9292.50417.6244.10229.193
15AA_U5C8:G23G24_BB-1.859-1.8453.19-2.1738.90438.726-3.6752.4982.81113.2033.22239.755
19AA_U11A12:U17A18_BB0.179-1.5443.026-2.06411.94130.354-4.488-0.622.25821.7473.75932.631

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.