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: 2KDQ  PDB ID: 2KDQ 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
14BB_A20G21:C41U42_BB-0.218-0.2564.6962.339-4.16932.4160.580.9664.665-7.418-4.16132.758
16BB_A22G26:C39U40_BB-1.173-0.5143.671-9.7896.74841.593-1.4610.4863.7199.27713.45843.186
18BB_A27G28:C37U38_BB-0.443-1.9092.784-2.97310.22444.272-3.1860.3652.33413.3383.87945.472
13BB_C19A20:U42G43_BB0.3590.1453.817-7.41928.3341.776-2.224-1.0463.20935.0539.17950.64
11BB_G17G18:C44C45_BB0.2441.122.95-0.88116.75630.909-0.634-0.5373.12528.9231.5235.071
12BB_G18C19:G43C44_BB1.097-0.0614.4434.2340.85238.784-0.233-0.944.5311.278-6.35139.015
15BB_G21A22:U40C41_BB-0.454-0.5883.6786.55112.80539.956-2.2411.3583.2418.046-9.23242.366
17BB_G26A27:U38C39_BB-0.729-1.6113.6080.148-7.46520.86-0.8241.9653.933-19.817-0.39322.142
19BB_G28C29:G36C37_BB-0.151-1.5763.11-5.28.57222.8-5.904-1.0122.34920.4612.41324.88

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.