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: UR0046  PDB ID: 1XPE 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
11AA_C1U2:A22G23_AA-0.447-1.5733.408-4.0087.76634.357-3.7260.1463.02312.8896.65235.419
15AA_C5U6:G18G19_AA0.921-1.7793.4126.0310.88936.421-2.938-0.593.4721.41-9.56736.911
14AA_G4C5:G19C20_AA0.111-1.543.203-1.9993.99732.645-3.364-0.522.9867.073.53632.941
17AB_G7G10:C15C17_AA-2.113-2.8126.553-0.40215.32785.819-2.7011.5196.09511.1790.29386.915
12AA_U2U3:A21A22_AA-0.158-1.1383.009-0.14.86834.64-2.5520.2492.8288.1260.16734.97
13AA_U3G4:C20A21_AA-0.638-1.4773.221-2.10812.57728.212-4.9680.8292.39924.2934.07130.907
16AA_U6G7:C17G18_AA-0.554-1.8252.8194.6919.09521.628-6.3161.7620.83341.493-10.19229.151
118BB_A21A22:U2U3_BB0.203-1.1243.1623.1113.17134.165-2.3680.123.0555.369-5.26734.444
119BB_A22G23:C1U2_BB0.276-1.7773.311.47910.42333.74-4.375-0.252.6717.438-2.47535.299
19BB_C11G12:C13G14_AA-0.133-1.7893.0962.05912.9830.032-5.0550.5342.14623.674-3.75532.721
111BB_C13G14:C11G12_AA0.588-1.7763.05-1.38913.76128.545-5.316-1.2861.97526.0632.6331.656
113BB_C15C17:G7G10_BA1.924-3.1066.1482.55315.96581.176-3.074-1.3445.61912.161-1.94582.496
114BB_C17G18:U6G7_BB0.471-1.6452.888-3.22918.33523.121-5.965-1.4051.20938.6836.81229.605
117BB_C20A21:U3G4_BB0.019-1.5483.060.10113.40626.355-5.399-0.022.04827.272-0.20529.515
18BB_G10C11:G14C15_AA-0.493-1.2323.075-4.5853.70733.173-2.6880.1572.9636.437.95233.678
110BB_G12C13:G12C13_AA0.015-0.8723.1010.7666.44930.727-2.7290.1042.86312.002-1.42531.39
112BB_G14C15:G10C11_AA0.134-1.6073.2650.4552.17236.764-2.834-0.1513.173.44-0.7236.829
115BB_G18G19:C5U6_BB-0.685-1.4123.492-7.287.10639.345-2.8670.1353.2710.34610.59940.588
116BB_G19C20:G4C5_BB0.062-1.3463.1520.9262.12335.969-2.4630.0243.0713.433-1.49836.041

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.