A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 19-Jan-2022 number of released structures: 11891
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NDB ID: PR0209  PDB ID: 2C51 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
11RR_A3U4:A16U17_RR-0.119-1.0273.1450.7037.87933.138-2.9170.3072.8313.574-1.21134.043
13RR_G5G7:C14C15_RR0.196-2.1563.227-6.1782.05227.354-4.902-1.7932.9464.26412.83528.104
14RR_G7G8:C13C14_RR-0.076-1.7993.2171.0916.66435.351-3.80.2682.83910.852-1.77635.97
12RR_U4G5:C15A16_RR-0.113-1.2913.134.46714.86631.012-4.1720.7922.25825.872-7.77434.594
16SS_G5G7:C14C15_SS0.575-1.8793.386-2.9838.85428.26-5.411-1.712.61717.5375.90829.735
17SS_G7G8:C13C14_SS-0.791-1.5982.928-1.4598.19338.442-3.2061.0282.57512.2682.18539.299
15SS_U4G5:C15A16_SS0.409-1.2873.383.52517.64733.08-4.193-0.1982.4428.521-5.69737.538

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.