A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-May-2022 number of released structures: 12077
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NDB ID: PR0258  PDB ID: 2IZ9 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
11RR_A3U4:A16U17_RR-0.804-1.3513.1025.4799.17631.301-3.7322.2242.44816.419-9.80333.032
13RR_G5G7:C14C15_RR-0.692-2.673.374-6.2316.64533.028-5.5560.2192.87811.4210.70934.228
14RR_G7G8:C13C14_RR0.153-1.7483.2340.9264.41235.492-3.455-0.1223.0057.201-1.51135.768
12RR_U4G5:C15A16_RR-0.246-1.0033.2072.76311.2328.69-3.8950.9562.60521.588-5.31230.888
16SS_G5G7:C14C15_SS-0.586-2.7423.679-1.83213.26535.361-5.930.6722.54920.9352.8937.736
17SS_G7G8:C13C14_SS-0.12-1.5932.802-1.5471.23636.567-2.6790.0112.7511.9692.46436.618
15SS_U4G5:C15A16_SS-0.05-1.0043.0860.6894.07329.215-2.7720.2332.928.024-1.35829.499

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.