A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-May-2022 number of released structures: 12077
Search for released structures

NDB ID: 2TPK  PDB ID: 2TPK 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
13AA_A5C6:G17U18_AA-0.036-1.633.3720.1818.2132.415-4.1560.0922.88414.42-0.31833.412
18AA_A30U31:A12U13_AA-0.014-1.6743.3720.098.30831.075-4.4610.0412.84115.17-0.16532.14
110AA_A32G33:C10U11_AA-0.013-1.6933.393-0.0179.28629.705-4.8690.022.75117.580.03231.091
14AA_C6C7:G16G17_AA0.821-1.2853.42310.15917.78633.427-4.059-0.0072.58427.907-15.94139.05
15AA_C7U28:A15G16_AA-1.952-0.433.076-8.1649.91941.124-1.5521.8683.20713.72311.29543.001
17AA_C29A30:U13G14_AA-0.016-1.6983.503-0.69711.12229.96-5.071-0.0952.71520.6371.29231.921
12AA_G4A5:U18C19_AA0.038-1.6273.465-0.1410.31132.089-4.467-0.0882.82218.0790.24533.663
111AA_G33C34:G9C10_AA1.389-2.1914.1693.401-3.00329.685-3.408-1.754.491-5.818-6.5930.022
11AA_U3G4:C19A20_AA0.02-1.7363.4970.67910.13229.598-5.1140.092.76619.137-1.28231.255
16AA_U28C29:G14A15_AA-1.879-1.7533.655-5.34311.34330.294-5.2152.3433.09620.6299.71832.73
19AA_U31A32:U11A12_AA0.009-1.6763.5510.06911.62330.722-4.961-0.0042.75221.017-0.12532.798

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.