A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 22-Jun-2022 number of released structures: 12128
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NDB ID: 1EKZ  PDB ID: 1EKZ 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
13BB_A3C4:G27U28_BB1.039-1.6152.95-1.1487.20437.712-3.223-1.7022.57811.0181.75638.385
15BB_A5G6:C25U26_BB0.232-1.0082.716-4.011-3.27324.47-1.506-1.5452.752-7.6149.3325.004
14BB_C4A5:U26G27_BB-1.269-3.0334.372.89228.62717.923-9.0332.568-0.31458.433-5.90233.798
17BB_C7U8:A23G24_BB-0.475-1.4953.0173.92811.45636.817-3.4531.1272.40217.565-6.02238.692
111BB_C11C12:G19G20_BB-0.45-2.7363.7814.95-15.320.217-0.0342.9814.496-36.943-11.95325.781
112BB_C12C13:G18G19_BB-0.64-1.8943.7575.929-20.97521.2932.172.8563.818-44.442-12.56230.38
113BB_C13U14:G17G18_BB-1.377-0.8722.4176.4173.70110.813-6.18810.1321.07917.232-29.87813.101
11BB_G1G2:C29C30_BB0.791-1.9253.3954.06210.31321.684-7.59-0.6872.35525.388-10.024.322
12BB_G2A3:U28C29_BB-1.296-0.9283.2477.4528.81532.497-2.8253.2532.56515.167-12.82234.434
16BB_G6C7:G24C25_BB0.669-1.7963.2983.09214.81842.065-3.633-0.6182.59519.887-4.14944.589
19BB_G9U10:A21C22_BB0.625-0.4534.7328.795-7.3241.7080.4470.4284.773-10.056-12.08243.181
18BB_U8G9:C22A23_BB0.396-0.9752.767-3.63616.54228.005-3.929-1.1871.85530.8686.78632.64
110BB_U10C11:G20A21_BB1.006-2.3654.875-3.185-12.47930.579-0.744-2.6335.285-22.4525.7333.121

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.