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: PR0173  PDB ID: 2ANR 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
12BB_5BU202C203:G223A224_BB0.298-1.5893.061-0.7412.83934.221-3.098-0.6112.9174.8131.25634.343
11BB_C2015BU202:A224G225_BB-0.278-1.5513.03-3.488-4.45131.724-2.032-0.0983.224-8.0626.31832.211
13BB_C203G204:C222G223_BB-0.408-1.8373.425-3.8929.14331.629-4.7320.0732.82816.2796.9333.116
15BB_C205G206:A220G221_BB-0.45-0.7763.392.9957.37959.278-1.1550.6053.2587.424-3.01359.762
14BB_G204C205:G221C222_BB-0.413-2.1263.328-2.3572.62230.099-4.5930.3173.1595.0264.5230.3
16BB_G206G207:A219A220_BB0.885-1.0363.0925.1625.71231.818-2.768-0.7322.96910.232-9.24832.713
17BB_G207A208:C218A219_BB-3.679-1.9874.7015.7677.636.03-19.01325.425-0.70546.148-34.87511.303

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.