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: PR0277  PDB ID: 2PXF 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
114BB_A148G149:G162C163_BB5.716-1.1492.9530.2699.29729.23-3.748-10.772.52817.861-0.51630.644
113BB_C147A148:C163A164_BB-4.711-0.5592.647-0.6033.8239.004-9.39226.6162.50523.0083.6289.799
118BB_C152C153:G158G159_BB-0.289-1.9583.454-2.8095.11532.143-4.3820.023.1279.1445.02132.655
119BB_C153G154:A157G158_BB-2.47-1.1772.852-1.0917.44545.507-2.0483.0752.6939.5481.446.092
11BB_G130G131:C177C178_BB-0.394-1.6953.041.1769.52536.657-3.6710.7382.52314.834-1.83237.851
12BB_G131G132:U176C177_BB0.435-2.2462.809-3.8859.41122.269-7.388-1.8891.63922.8919.44924.46
13BB_G132G133:U175U176_BB0.288-1.6493.219-0.81911.08337.263-3.716-0.5242.63416.891.24938.828
14BB_G133G134:C174U175_BB0.222-1.7653.4040.9568.50536.05-3.903-0.2242.93113.509-1.51837.02
15BB_G134U135:A173C174_BB-0.077-1.5243.171-2.3677.06336.229-3.287-0.1742.83411.2123.75836.962
17BB_G136U137:G171C172_BB0.51-1.3653.4394.5838.07147.174-2.33-0.2563.2119.971-5.66248.027
110BB_G144G145:C166C167_BB-0.57-1.6543.535-0.3427.59238.882-3.3630.83.17411.2740.50739.589
111BB_G145U146:G165C166_BB-0.192-0.9163.153-3.7366.09839.941-1.966-0.1172.9938.8425.41640.551
115BB_G149G150:A161G162_BB-0.523-1.663.242-0.3584.34255.631-2.0180.5393.1184.6440.38355.787
116BB_G150U151:A160A161_BB0.677-2.5293.347-4.7053.32619.027-8.794-4.0362.6289.77513.82919.873
16BB_U135G136:C172A173_BB-0.501-1.7712.834-0.7785.75122.89-5.8741.0162.3414.21.92123.605
18BB_U137U138:G170G171_BB-0.05-1.6763.3337.0925.79634.59-3.5491.0822.9569.541-11.67635.747
19BB_U138U139:A169G170_BB-0.102-1.7833.0753.20912.08317.16-8.7031.31.4735.07-9.31321.204
112BB_U146C147:A164G165_BB-0.645-1.9233.2462.8774.07742.631-3.0171.1563.0115.585-3.94142.908
117BB_U151C152:G159A160_BB0.254-2.1873.254-2.7982.67940.715-3.416-0.6623.0873.844.01140.891

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.