A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 25-May-2022 number of released structures: 12098
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NDB ID: PR0257  PDB ID: 2IZ8 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
11RR_A3U4:A16U17_RR-0.104-0.8213.4651.5024.70139.807-1.7570.3313.3446.872-2.19640.1
13RR_G5G7:C14C15_RR-0.17-2.3663.367-5.2124.13928.662-5.534-0.7642.9878.22110.35229.409
14RR_G7G8:C13C14_RR-0.161-1.93.163-0.9986.91836.476-3.8310.1312.77210.9281.57737.117
12RR_U4G5:C15A16_RR-0.299-1.2882.9985.91910.11829.299-3.9691.4852.33319.069-11.15531.509
16SS_G5G7:C14C15_SS0.002-2.3343.566-2.0774.55927.16-6.037-0.5273.139.6044.37627.61
17SS_G7G8:C13C14_SS-0.194-1.8673.0231.85611.50934.892-4.2760.5192.318.564-2.99336.73
15SS_U4G5:C15A16_SS0.161-0.9193.0772.71714.87436.516-2.9330.0482.53422.584-4.12639.423

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.