A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 16-Oct-2019 number of released structures: 10422
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NDB ID: NA2805  PDB ID: 4NCA 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
12CC_DA3DG4:DC16DT17_DD-0.318-0.0193.274-0.2348.21727.842-1.8530.5833.14216.6240.47429.007
16CC_DA7DG8:DC12DT13_DD0.695-0.7323.189-1.82910.94728.275-3.448-1.6712.67721.3963.57530.334
19CC_DA10DG11:DC6DT10_GD0.863-2.1733.3633.455-2.16928.973-3.801-0.913.589-4.308-6.86229.253
11CC_DG2DA3:DT17DC18_DD0.2880.1883.253-5.546-3.59738.7580.702-1.0783.155-5.3738.28439.297
13CC_DG4DG5:DC15DC16_DD-0.2970.0863.47-0.73320.53327.677-3.330.3782.86737.1291.32634.35
14CC_DG5DT6:DA14DC15_DD-0.238-0.5293.296-0.538-3.19532.1-0.3760.3313.335-5.7590.9732.259
17CC_DG8DT9:DA11DC12_DD0.144-0.9233.412.2812.82438.186-1.770.0753.3394.304-3.47738.352
110CC_DG11DG12:DC5DC6_GG-0.052-2.1883.5274.1325.98933.922-4.610.7363.0810.121-6.98334.672
111CC_DG12DT13:DA4DC5_GG-1.068-0.9263.3850.81-2.88131.476-1.1442.1173.426-5.295-1.48831.614
114CC_DG15DT16:DA1DC2_GG-0.803-0.0683.136-1.4830.75832.616-0.2471.1813.1661.3482.63832.657
15CC_DT6DA7:DT13DA14_DD0.796-0.5493.7585.44611.8939.788-2.197-0.4623.53416.925-7.75241.799
18CC_DT9DA10:DT10DA11_DD0.042-0.9912.974-2.33511.21326.473-4.125-0.5282.35523.1564.82128.804
112CC_DT13DT14:DA3DA4_GG0.8410.1152.9032.8037.10619.749-2.384-1.2262.8619.786-7.80521.161
113CC_DT14DG15:DC2DA3_GG-0.1831.0353.443-3.89213.32243.2610.037-0.1443.59817.5395.12345.331
116EE_DA3DG4:DC16DT17_FF-0.479-0.2933.4253.0634.11231.016-1.3381.4773.2987.624-5.67931.427
120EE_DA7DG8:DC12DT13_FF0.013-0.6033.394-1.2789.78133.558-2.503-0.2183.116.5022.15634.938
123EE_DA10DG11:DC9DT10_HF1.138-1.9843.2281.5740.95327.748-4.353-1.9963.2181.985-3.27627.808
115EE_DG2DA3:DT17DC18_FF0.004-0.1183.239-8.637-3.335.8120.256-1.1643.152-5.25913.76636.948
117EE_DG4DG5:DC15DC16_FF0.0720.2963.5281.75719.04827.784-2.9630.1963.09634.913-3.2233.626
118EE_DG5DT6:DA14DC15_FF-0.596-0.5823.3081.6071.7430.873-1.4271.4273.2363.262-3.01330.961
121EE_DG8DT9:DA11DC12_FF0.049-1.1673.2760.592.431.531-2.580.0183.1814.408-1.08431.625
124EE_DG11DG12:DC8DC9_HH-0.39-2.0583.514.2656.26134.334-4.3571.2913.03110.449-7.11735.135
125EE_DG12DT13:DA7DC8_HH-1.08-0.863.398-0.148-4.76330.337-0.6332.013.494-9.0310.28130.7
128EE_DG15DT16:DA4DC5_HH-0.914-0.3833.161-0.3192.99530.99-1.2631.6443.125.5880.59431.133
119EE_DT6DA7:DT13DA14_FF1.359-0.3323.611-0.20212.00938.503-1.966-2.03.35717.6930.29740.265
122EE_DT9DA10:DT10DA11_FF0.25-1.233.0340.5748.34528.973-3.861-0.3782.59216.256-1.11930.132
126EE_DT13DT14:DA6DA7_HH0.514-0.1663.0471.7574.32627.238-1.33-0.6773.0119.102-3.69727.628
127EE_DT14DG15:DC5DA6_HH0.5620.7463.4690.98511.45339.418-0.305-0.6853.55416.556-1.42540.996

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.