A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 8-Jul-2020 number of released structures: 10846
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NDB ID: NA2200  PDB ID: 4IQX 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
14BB_C908C909:G916G917_CC0.363-1.3273.474-0.7868.21438.404-2.976-0.6363.12812.3131.17939.247
11BB_G905G906:C919C920_CC-0.3330.1353.334-16.32216.6441.799-1.246-0.9733.10121.44321.03447.604
12BB_G906G907:C918C919_CC-0.317-1.1763.1461.238.8326.503-4.3340.9212.60818.604-2.59127.937
13BB_G907C908:G917C918_CC0.062-0.7293.071.7883.21638.116-1.4860.1143.0014.911-2.7338.287

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.