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: PR0278  PDB ID: 2PXK 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
114BB_A148G149:G162C163_BB5.223-1.2233.106-2.7538.85127.854-3.978-10.8022.11117.7745.52829.327
113BB_C147A148:C163A164_BB-4.724-0.4572.5632.2397.3927.248-9.20827.6340.43944.87-13.58710.589
118BB_C152C153:G158G159_BB-0.384-1.8133.387-2.7484.10232.062-3.9710.2013.1577.3734.93932.43
119BB_C153G154:A157G158_BB-2.721-1.2762.8751.24413.05945.555-2.463.4742.37316.467-1.56947.309
11BB_G130G131:C177C178_BB-0.232-2.2142.805-3.2588.13727.429-5.853-0.0932.08816.6316.65828.77
12BB_G131G132:U176C177_BB0.212-1.8363.4541.1610.47636.184-4.182-0.1812.83716.442-1.8237.639
13BB_G132U133:G175U176_BB0.63-1.1883.10.5723.84643.68-1.932-0.7922.9985.157-0.76643.844
15BB_G134U135:A173C174_BB-0.407-1.2623.074-1.33810.137.395-3.0120.4672.66915.4052.0438.71
17BB_G136U137:G171C172_BB0.331-1.33.138-1.3416.05843.371-2.28-0.5622.9288.1471.80343.791
110BB_G144G145:C166C167_BB-0.316-1.8543.5861.9710.66833.914-4.6090.8082.86817.733-3.27435.558
111BB_G145U146:G165C166_BB-0.17-0.8563.065-1.2252.69442.142-1.4440.1193.0113.7411.70142.241
115BB_G149G150:A161G162_BB-0.206-1.8943.191-0.2283.36252.174-2.3620.2193.0723.8180.25952.275
116BB_G150U151:A160A161_BB0.606-2.0573.218-4.9740.12720.924-5.562-3.552.9820.34213.45221.501
14BB_U133G134:C174G175_BB0.25-2.1712.9551.68211.47620.418-8.203-0.1951.54429.499-4.32523.451
16BB_U135G136:C172A173_BB-0.384-1.5793.1682.04910.73126.626-5.2871.1762.33322.152-4.2328.743
18BB_U137U138:G170G171_BB-0.072-1.4763.3128.8465.24634.989-3.0751.3192.9638.5-14.33436.424
19BB_U138U139:A169G170_BB-0.366-1.7753.0992.19410.60319.106-7.9691.6471.81729.112-6.02421.936
112BB_U146C147:A164G165_BB-0.259-1.8293.2791.0554.11150.053-2.4440.3793.1234.848-1.24450.221
117BB_U151C152:G159A160_BB0.47-2.0833.41-3.5661.86941.016-3.166-1.0623.2662.6595.07541.205

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.