A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 28-Sep-2022 number of released structures: 12311
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NDB ID: NA1706  PDB ID: 4ECW 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
11TT_DA5DT6:DA7DT8_PP0.785-1.1393.4912.2391.45926.521-2.877-1.0773.4783.17-4.86426.653
14TT_DA8DC9:DG4DT5_PP0.419-0.6383.1784.3440.67630.362-1.3360.0443.1911.283-8.23930.671
15TT_DC9DG10:DC3DG4_PP-0.36-0.5663.82-5.3557.56434.206-2.221-0.3223.6312.5768.90335.403
17TT_DC11DT12:DA1DG2_PP0.270.1062.926-2.2823.37525.796-0.587-1.1542.8827.5015.07126.111
13TT_DG7DA8:DT5DC6_PP-0.543-0.4493.264-2.3751.49934.926-0.9720.5453.2712.4933.94935.035
16TT_DG10DC11:DG2DC3_PP-0.528-0.5133.558-2.1730.17637.856-0.8140.5093.5790.2723.34637.917
12TT_DT6DG7:DC6DA7_PP-0.38-1.2053.4435.72611.08427.39-4.5421.8792.63722.016-11.37530.048

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.