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: 1F7F  PDB ID: 1F7F 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
13AA_A3A4:U24U25_AA0.487-1.0774.12-0.572-13.25831.2440.986-0.9584.21-23.3421.00633.881
14AA_A4G5:C23U24_AA-0.723-1.2373.9861.774-4.53228.967-1.2311.8994.077-8.98-3.51529.364
16AA_C7C8:G21G22_AA-1.044-1.0385.338-0.8610.98835.269-4.0071.4654.83517.6111.37936.899
17AA_C8G9:C20G21_AA0.289-0.9682.8882.73619.55825.73-4.495-0.1331.75737.651-5.26832.333
111AA_C12U13:G16G17_AA1.9-2.0542.515-23.299-0.65596.723-1.345-1.5252.15-0.43315.42298.807
11AA_G1G2:C26C27_AA-1.308-1.3315.315-6.78613.81423.87-7.7570.1964.15929.76414.62228.341
12AA_G2A3:U25C26_AA0.061-1.4224.6516.3379.32835.974-3.8681.0364.1214.665-9.96437.644
15AA_G5C7:G22C23_AA-2.208-0.3133.708-12.17332.51552.613-2.0981.4613.42332.96412.34162.347
18AA_G9G10:C19C20_AA0.915-0.3753.7264.3632.27223.79-1.723-0.5783.7795.437-10.44124.286
19AA_G10U11:A18C19_AA-0.899-1.3683.102-3.27825.94234.952-3.9640.9491.79337.4174.72843.405
110AA_U11C12:G17A18_AA-0.549-2.3654.507-18.80622.23229.221-6.339-1.7242.23734.99629.60441.027

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.