A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-May-2022 number of released structures: 12077
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NDB ID: 2K7E  PDB ID: 2K7E 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
17AA_A8A9:U4U5_BB0.134-0.8623.142-1.5455.3335.449-2.119-0.4262.9778.6882.51835.866
18AA_A9A10:SUR3U4_BB-1.238-0.3382.975-1.3194.56938.898-1.0011.7032.9566.831.97239.177
19AA_A10A11:U2SUR3_BB0.279-0.7063.9580.5558.99629.061-3.477-0.43.58817.407-1.07530.397
110AA_A11G12:C1U2_BB0.518-0.5073.114-1.3457.85828.118-2.593-1.2992.84415.7762.729.205
12AA_C2G3:U10G11_BB-0.269-0.7493.262-1.90317.32326.348-4.4150.1632.34933.7183.70431.504
11AA_G1C2:G11C12_BB-0.704-0.3353.1951.04211.93335.27-2.0521.2372.91319.029-1.66237.187
13AA_G3G4:C9U10_BB-0.131-0.353.391-3.1867.46734.563-1.699-0.2663.24612.3585.27235.475
14AA_G4G6:A7C9_BB-1.345-1.0936.622-2.94815.65971.698-1.9320.9376.34813.2082.48673.215
15AA_G6U7:A6A7_BB1.539-0.5283.127-5.2251.97433.357-1.2-3.422.8263.419.02533.808
16AA_U7A8:U5A6_BB-0.663-0.8783.389-4.3194.27637.397-1.920.453.3256.6166.68237.87

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.