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: 1IE1  PDB ID: 1IE1 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
16AA_A6A7:A15U17_AA0.4080.4122.8491.37-0.716-88.487-0.2820.3172.8460.5130.982-88.498
17AA_A7U9:A14A15_AA1.8461.3146.51713.591-9.161154.9670.732-0.8586.539-4.69-6.958155.226
13AA_C3C4:G19G20_AA0.31-2.0942.8626.56620.00233.112-4.8610.1051.44731.456-10.32639.079
14AA_C4G5:A18G19_AA-0.0550.1983.845-9.657-12.77754.1321.062-0.5863.677-13.70610.35956.28
11AA_G1G2:C21C22_AA0.449-1.3593.2581.539-12.90438.298-0.418-0.4663.532-19.013-2.26840.364
12AA_G2C3:G20C21_AA0.406-2.1142.8262.4559.48732.066-4.885-0.392.15516.693-4.3233.492
15AA_G5A6:U17A18_AA-5.131-1.3753.366-0.034-7.366-5.5121.886-32.0640.89953.251-0.244-9.196

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.