A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 18-May-2022 number of released structures: 12082
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NDB ID: 1I3X  PDB ID: 1I3X 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
13AA_C3U4:A16G17_AA0.486-1.6612.8024.79410.25130.78-4.342-0.2082.218.544-8.67332.747
17AA_C7U8:C12G13_AA-0.152-1.5834.345-3.69-5.69332.244-1.46-0.5964.539-10.116.55332.932
11AA_G1G2:C18C19_AA-0.302-1.3053.115-2.8875.91438.405-2.6220.132.9048.914.34938.944
12AA_G2C3:G17C18_AA0.002-0.9562.929-0.0345.47546.621-1.599-0.0062.8066.890.04246.924
15AA_G5G6:C14C15_AA-0.354-1.5872.513-6.5250.92531.535-2.988-0.2612.4881.67811.84432.199
16AA_G6C7:G13C14_AA0.812-1.3083.0383.641-1.93241.282-1.651-0.7793.15-2.732-5.14941.478
14AA_U4G5:C15A16_AA-0.075-1.5363.160.0466.65426.025-4.8650.1722.69114.476-0.126.848

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.