A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 18-May-2022 number of released structures: 12082
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NDB ID: PR0171  PDB ID: 2AKE 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
112BB_A14G9:G45A21_BB-3.8261.926-4.107-55.86-104.535-71.345-2.605-1.277-2.71362.51-33.403-130.935
118BB_A31C32:A38U39_BB0.092-1.3933.2094.34515.19690.572-1.2530.0173.00210.626-3.03891.645
11BB_C3C4:G69G70_BB-0.015-2.1053.79-7.09812.68732.608-5.373-1.0562.75221.32411.92935.622
12BB_C4U5:G68G69_BB-0.394-1.5423.319-6.4181.45936.19-2.648-0.2643.2762.32510.22736.764
14BB_C6G7:C66G67_BB-0.034-1.5243.312-1.12418.83531.663-4.72-0.0842.10731.2891.86736.735
115BB_C28U29:A41G42_BB-0.312-2.6943.752-14.47814.41135.577-5.481-1.1832.47121.53921.63840.859
17BB_C50G51:C63G64_BB-0.005-1.5733.393.23418.50136.647-4.1260.3352.35527.332-4.77841.032
15BB_G7G49:U65C66_BB-0.145-1.9422.8410.9911.39122.974-6.7410.5321.69326.589-2.31125.628
113BB_G9G26:A44G45_BB-2.891-1.365.9771.624-33.808-88.2191.7430.2266.10521.31145.148-112.822
117BB_G30A31:U39C40_BB-0.127-1.3053.443-2.6864.98834.498-2.946-0.2063.2298.3414.49134.946
16BB_G49C50:G64U65_BB-0.221-1.8363.498-2.221-1.32838.84-2.5810.043.563-1.9943.33538.923
18BB_G51U52:A62C63_BB0.01-1.5792.803-0.931-2.46826.106-2.893-0.2442.934-5.4462.05526.236
110BB_G53U54:A58C61_BB-2.442-1.8223.6473.766-2.88792.462-1.21.7683.611-1.998-2.60692.556
13BB_U5C6:G67G68_BB0.248-1.7912.44513.5962.9327.844-3.7621.4712.1385.663-26.27931.062
114BB_U27C28:G42A43_BB0.915-1.5853.611-1.55611.2135.318-4.042-1.6552.94717.9172.48737.032
116BB_U29G30:C40A41_BB-0.515-1.6833.6955.26516.4828.87-5.5921.7472.30229.906-9.55533.562
19BB_U52G53:C61A62_BB1.945-1.9263.4184.2136.92626.176-5.813-3.0473.08614.846-9.0327.382
111BB_U54U16:G57A58_BB-4.123-1.7665.604-15.257-2.6481.461-1.2192.4366.211-2.00711.59782.667

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.