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: 2KTZ  PDB ID: 2KTZ 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
13AA_A3G4:C35U36_AA-0.323-1.7763.194.8290.53627.853-3.7561.743.0581.103-9.93528.266
16AA_C11U12:A32G33_AA0.024-2.2093.213-4.4039.04124.226-6.989-1.0822.2220.4529.9626.201
110AA_C15U16:C27G28_AA0.74-1.342.947-3.63415.56626.292-4.923-1.9561.77930.8587.20330.696
113AA_C18C19:G24G25_AA-0.215-2.0523.34-0.2848.29827.205-5.9530.3782.61517.1420.58628.421
114AA_C19U20:G23G24_AA0.57-1.9043.0732.5828.162101.193-1.343-0.3322.9675.275-1.669101.455
11AA_G1G2:C37C38_AA0.758-1.0883.26-1.14310.36329.115-3.93-1.6322.69319.832.18730.887
12AA_G2A3:U36C37_AA0.234-1.5332.768-7.401-1.93229.953-2.558-1.6652.724-3.66314.03330.893
14AA_G4G5:C34C35_AA-0.38-1.9472.981-9.4877.31234.03-4.051-0.5572.53512.04115.62236.017
15AA_G5A6:U9C34_AA-5.852-0.9354.523-75.228118.25536.667-3.0961.4373.72270.44944.816142.257
18AA_G13U14:G30C31_AA0.044-1.173.181-0.5131.846.273-1.635-0.0973.1352.290.65246.308
17AA_U12G13:C31A32_AA-0.356-1.6773.181-0.0968.64430.674-4.4830.6342.62415.9470.17731.841
19AA_U14C15:G28G30_AA0.796-1.8043.166-0.9742.92129.797-4.056-1.7282.9535.6611.88829.952
111AA_U16U17:U26C27_AA0.353-1.6823.315-2.13816.52932.793-4.703-0.8242.21727.1983.51836.682
112AA_U17C18:G25U26_AA-0.424-1.1253.3471.0376.04544.925-1.9960.6423.1687.867-1.34945.32

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.