A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 23-Nov-2022 number of released structures: 12471
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NDB ID: 1QWA  PDB ID: 1QWA 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
13AA_A3U4:A18U19_AA-0.128-0.6644.336-1.644-6.91729.7520.593-0.1974.376-13.2353.14530.571
16AA_C6C7:G14G16_AA1.8560.4474.140.823.94241.8660.101-2.4784.1975.501-1.14442.05
17AA_C7U8:A13G14_AA-0.417-1.0824.834-0.648-1.09224.523-2.0430.6834.886-2.5681.52424.555
11AA_G1G2:C20C21_AA-0.656-2.9043.322-7.201-0.89228.922-5.451-0.3093.466-1.75214.13829.8
12AA_G2A3:U19C20_AA0.192-1.734.533.647-1.58826.397-3.1650.9214.608-3.453-7.92926.69
15AA_G5C6:G16C17_AA1.107-2.014.4294.305-2.44620.901-3.988-0.4934.758-6.622-11.65821.473
14AA_U4G5:C17A18_AA-0.641-0.2254.382-0.2811.80538.518-0.640.9244.3722.7350.42638.56
18AA_U8C9:G12A13_AA-0.17-0.4633.6156.6938.957102.471-0.440.2163.5675.732-4.283102.909

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.