A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 1-Dec-2021 number of released structures: 11785
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NDB ID: PD0257  PDB ID: 1K61 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
12EE_DA3DT4:DA40DT41_FF0.747-0.2423.128-2.4824.32726.131-1.595-2.2372.9689.4615.42626.595
16EE_DA7DA8:DT36DT37_FF-0.715-3.34-1.149137.307-101.422171.628-1.6940.325-1.043-50.718-68.664179.322
17EE_DA8DT9:DA35DT36_FF-1.088-0.7123.289-2.9883.42931.979-1.8941.4223.2826.1855.3932.293
111EE_DA12DT13:DA31DT32_FF-0.054-0.3072.997-0.8731.4728.016-0.95-0.0762.9783.0331.80228.067
115EE_DA16DC17:DG27DT28_FF-0.627-0.6153.146-1.7941.40230.399-1.4390.8473.1462.6693.41630.482
117EE_DA18DC19:DG25DT26_FF-0.4120.0093.0623.6461.77929.435-0.3291.5152.9863.48-7.13229.707
11EE_DC2DA3:DT41DG42_FF-0.1810.8533.1330.1199.31933.8050.0240.3183.24615.659-0.19935.03
110EE_DC11DA12:DT32DG33_FF0.4371.3573.2791.664-0.69242.2451.952-0.4353.271-0.959-2.30842.282
116EE_DC17DA18:DT26DG27_FF0.006-0.283.322-0.3797.0836.902-1.367-0.063.21611.0590.59137.553
118EE_DC19DG20:DC24DG25_FF0.3180.2893.37-1.1526.64735.12-0.524-0.693.35510.8911.88835.742
14EE_DG5DT6:DA38DC39_FF0.821-0.673.177-0.4343.52229.786-1.99-1.6733.0676.8210.84129.992
119EE_DG20DC21:DG23DC24_FF0.473-0.6273.1585.097.95630.483-2.5240.0242.94414.694-9.40131.88
13EE_DT4DG5:DC39DA40_FF-0.092-0.0683.7144.8756.8441.939-0.870.683.6279.442-6.7342.735
15EE_DT6DA7:DT37DA38_FF-0.2763.56-1.387176.268-4.039-45.463-1.793-0.668-0.2072.04689.264-176.601
18EE_DT9DT10:DA34DA35_FF-0.08-0.2773.1413.6574.88532.948-1.2480.7133.0448.521-6.3833.493
19EE_DT10DC11:DG33DA34_FF-0.330.533.467-3.302-4.98440.8671.3170.0943.398-7.0934.69941.283
112EE_DT13DT14:DA30DA31_FF-0.061-0.5083.3990.0562.02534.484-1.1790.1123.3653.413-0.09434.542
113EE_DT14DT15:DA29DA30_FF0.175-0.183.0814.882.42134.739-0.6390.3983.0584.024-8.11235.151
114EE_DT15DA16:DT28DA29_FF0.7-0.083.6712.0174.68538.703-0.756-0.7743.6677.032-3.02739.025

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.