A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 28-Sep-2022 number of released structures: 12311
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NDB ID: NA2191  PDB ID: 4B3P 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
19DD_DA9DT10:A25U26_RR-0.024-1.7223.044-1.207-0.88824.139-3.845-0.3033.102-2.1222.88324.185
115DD_DA15DT16:A19U20_RR0.049-1.4013.12-2.1020.0729.579-2.751-0.5183.1050.1374.11129.652
117DD_DA17DG18:C17U18_RR-0.398-1.313.337-1.7521.91327.608-5.1040.4241.85539.0223.11735.157
16DD_DC6DG7:C28G29_RR0.186-1.4493.3953.01317.32631.916-4.5920.0962.33628.929-5.0336.33
112DD_DC12DC13:G22G23_RR0.137-0.9193.403-5.439-3.14937.429-0.991-0.9413.414-4.8668.40337.935
113DD_DC13DT14:A21G22_RR-0.997-1.8163.219-1.8728.40126.101-5.7091.682.58317.994.00927.46
11DD_DG1DT2:A33C34_RR-0.404-1.2173.695-4.95810.81927.346-4.799-0.3273.03221.6319.91229.778
13DD_DG3DG4:C31C32_RR-0.368-1.2753.957-5.36713.04128.658-5.035-0.4483.11724.55610.10631.875
14DD_DG4DT5:A30C31_RR0.023-1.7733.156-4.0412.90229.955-3.934-0.8062.9475.5667.7530.356
17DD_DG7DT8:A27C28_RR-0.254-1.512.9470.4721.53327.158-3.5510.6452.8543.261-1.00327.204
111DD_DG11DC12:G23C24_RR-0.003-1.2973.1471.1818.51422.727-5.4820.3392.520.68-2.86924.278
118DD_DG18DT19:A16C17_RR1.044-1.4623.1593.46914.74227.093-5.236-1.3682.20328.79-6.77430.969
12DD_DT2DG3:C32A33_RR-0.173-0.8253.4561.57911.74729.131-3.7520.6182.90122.23-2.98831.401
15DD_DT5DC6:G29A30_RR-0.831-1.543.374-1.09910.34433.747-4.0281.2132.81917.3141.8435.269
18DD_DT8DA9:U26A27_RR0.2-1.33.564-0.43617.16734.621-4.109-0.3582.65126.8970.68438.529
110DD_DT10DG11:C24A25_RR0.186-1.2853.7520.42212.98133.74-4.059-0.2363.06821.406-0.69636.086
114DD_DT14DA15:U20A21_RR0.917-1.8373.9260.04321.9229.758-5.983-1.4462.12537.022-0.07336.812
116DD_DT16DA17:U18A19_RR-0.418-0.7783.8720.62212.70937.801-2.8340.6973.43918.971-0.92839.811
119DD_DT19DT20:A15A16_RR0.152-1.0713.827-2.324.82530.274-3.102-0.8073.5969.1484.39830.733
120DD_DT20DA21:U14A15_RR0.473-0.7584.0491.6233.46233.274-2.017-0.4913.976.022-2.82233.487

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.