A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-May-2022 number of released structures: 12077
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NDB ID: TR0004  PDB ID: 1I9V 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
15AA_A5U6:A67U68_AA0.59-1.6193.429-0.9055.05337.315-3.173-1.0333.1767.8511.40737.654
116AA_A23G24:C11U12_AA0.048-1.033.313-1.2987.5632.213-3.056-0.2992.99713.392.29833.09
122AA_A29G30:C40U41_AA-0.254-2.0894.1229.16414.55331.881-5.6821.8672.76924.403-15.36636.117
12AA_C2G3:C70G71_AA0.012-1.2333.4922.9819.13936.854-3.0820.3693.10114.162-4.61938.045
118AA_C25G26:A44G10_AA3.096-2.7133.09-10.8546.50151.226-3.4-4.062.1047.3912.3452.663
120AA_C27C28:G42G43_AA-0.563-1.743.2043.3265.07138.119-3.2221.2372.97.705-5.05438.581
121AA_C28A29:U41G42_AA0.471-1.7793.27-1.3138.01929.939-4.763-1.1152.69215.1732.48430.998
18AA_C49U50:A64G65_AA-1.098-1.9673.186-1.9725.34225.444-5.7151.9352.79711.9394.40826.063
11AA_G1C2:G71C72_AA-0.784-2.1633.098-2.904-7.22829.692-2.6140.893.572-13.8075.54830.674
13AA_G3G4:U69C70_AA0.04-2.1382.497-4.4347.25217.491-8.611-1.511.44922.22313.58719.433
14AA_G4A5:U68U69_AA0.028-1.5963.5121.17.25136.507-3.4920.1073.14811.433-1.73437.212
113AA_G15U8:A14C48_AA4.005-1.302-3.097144.52790.258154.624-0.489-2.263-2.42945.191-72.363177.893
115AA_G22A23:U12C13_AA-1.605-1.7113.113-1.9972.46728.604-3.9652.8063.064.9744.02528.776
117AA_G24C25:G10C11_AA1.378-1.5493.06-0.2364.49439.376-2.763-2.0582.8656.6430.34839.623
119AA_G26C27:G43A44_AA1.346-2.0143.577-8.6174.72236.58-3.72-3.1972.9247.36113.43337.833
123AA_G30C32:A38C40_AA0.042-1.6596.084-10.45617.66493.051-1.708-0.3725.75812.0577.13794.778
110AA_G51U52:A62C63_AA0.744-1.1413.012-2.4021.79529.544-2.567-1.9082.8713.5084.69529.692
112AA_G535MU54:A58C61_AA-2.601-2.473.3912.533-1.69389.041-1.7241.9083.369-1.207-1.80689.082
16AA_U6U7:A66A67_AA-0.506-1.5772.9485.70716.82432.711-4.2371.3911.83827.492-9.32637.108
17AA_U7C49:G65A66_AA-0.153-1.923.153-1.3283.68233.493-3.870.0622.9356.3632.29433.714
114AA_U8G22:C13A14_AA2.282-0.3253.2870.518-7.9357.6310.092-2.3213.32-8.183-0.53558.13
19AA_U50G51:C63A64_AA-0.099-1.6873.6312.62310.24333.409-4.4050.5742.98417.287-4.42734.997
111AA_U52G53:C61A62_AA0.89-1.8913.335-0.5045.84334.617-3.987-1.5492.9739.7330.83935.095

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.