A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 4-Dec-2019 number of released structures: 10490
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NDB ID: 1IE2  PDB ID: 1IE2 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
16AA_A6A7:A15U17_AA0.3230.9692.9946.585-1.096-93.821-0.6450.332.9810.754.504-94.003
17AA_A7U9:A14A15_AA0.0230.7054.9212.27614.434161.0810.305-0.0034.9357.316-1.154161.236
13AA_C3C4:G19G20_AA-0.425-1.8322.9543.203-1.79125.123-3.6961.8112.998-4.089-7.31325.385
14AA_C4G5:A18G19_AA-0.4530.3133.967-10.704-15.73253.8911.392-0.2493.771-16.78111.41856.913
11AA_G1G2:C21C22_AA-0.953-0.8443.0023.95911.27933.579-2.82.0582.47518.799-6.59935.585
12AA_G2C3:G20C21_AA-0.308-2.0552.9227.14710.27530.759-4.9631.4872.0318.441-12.82833.151
15AA_G5A6:U17A18_AA-5.201-1.3533.4074.589-1.208-2.71428.384-0.645.75915.34158.261-5.466

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.