A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 1-Apr-2020 number of released structures: 10687
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NDB ID: 2TOB  PDB ID: 2TOB 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
11AA_A4C5:G22U23_AA-0.148-1.1762.8174.015-1.37932.762-1.8670.852.825-2.432-7.08133.028
12AA_C5U6:A21G22_AA-0.842-1.7253.093-5.24412.0436.427-3.9170.7012.51218.5368.07238.646
15AA_G8G9:A18U19_AA0.899-2.3672.948-5.6813.17840.62-3.666-1.8082.624.5438.12141.117
16AA_G9U10:A17A18_AA0.911-1.9333.123-3.4967.27825.356-5.841-2.7672.34216.0697.71926.59
13AA_U6U7:G20A21_AA1.171-1.9292.994-1.2192.86141.928-2.953-1.7452.8293.9911.70142.038
14AA_U7G8:U19G20_AA-3.204-1.982.9350.13216.04220.947-7.347.0591.13437.782-0.31226.33
17AA_U10U11:U16A17_AA0.194-1.6152.698-2.7212.63643.662-2.367-0.472.5853.5373.65143.818

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.