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: AH0018  PDB ID: 1IHA 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
12AA_C2U3:G6G7_BB0.098-1.333.2272.7944.98839.959-2.470.1613.0467.254-4.06340.35
15AA_C5G6:U3U4_BB3.225-1.6673.472-0.31912.40325.028-6.245-6.7632.35626.6330.68527.891
11AA_G1C2:G7C8_BB-0.184-1.9573.452-1.4923.7433.88-3.9450.0713.2296.3892.5534.112
16AA_G6G7:C2U3_BB0.176-1.6583.508-2.3446.10639.624-3.135-0.5323.2138.9333.4340.138
17AA_G7C8:G1C2_BB0.102-1.8873.349-1.0881.37634.259-3.418-0.3453.2682.3351.84634.302
13AA_U3U4:C5G6_BB-3.924-1.9653.464-4.0226.73820.269-8.0868.73.35118.28410.91421.72
14AA_U4C5:U4C5_BB-0.079-1.8853.4250.9086.28338.646-3.5680.2273.0919.415-1.36139.145

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.