A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 18-May-2022 number of released structures: 12082
Search for released structures

NDB ID: DR0016  PDB ID: 2ET4 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
17AA_A9C10:G36U37_BB0.68-1.6743.1812.3211.22829.294-3.554-0.8573.1532.422-4.57829.409
12AA_C3G4:C43G44_BB-0.695-1.8462.831-0.428.93932.646-4.321.1412.26915.5410.72933.818
15AA_C6C8:G38G41_BB1.321-3.6456.199-11.65816.71778.49-3.593-1.5625.26613.019.07380.677
16AA_C8A9:U37G38_BB-0.311-1.5183.167-1.91210.1535.148-3.6880.2572.65416.3763.08536.588
18AA_C10C11:G35G36_BB-0.691-1.7963.3350.4476.78832.223-4.2851.2932.89712.062-0.79532.915
19AA_C11G12:C34G35_BB-0.157-1.5213.071-2.67511.78428.733-4.759-0.1442.2922.5295.11431.121
115AA_C20G21:C26G27_BB0.119-1.8373.34-0.732.86528.942-4.281-0.3963.1435.7131.45629.09
11AA_G2C3:G44C45_BB-0.767-2.0293.34-1.9644.99937.307-3.7810.9363.0877.7663.05137.678
13AA_G4U5:U42C43_BB-1.071-2.0863.2934.1361.8320.558-6.4424.5812.835.048-11.41121.045
110AA_G12G13:C33C34_BB0.046-1.533.3091.016.30430.923-3.9460.0972.94711.668-1.8731.559
111AA_G13U14:A32C33_BB0.322-1.1223.184-1.355.16233.515-2.706-0.7572.9688.8812.32333.925
113AA_G18U19:U28C29_BB-2.6-2.5673.318-1.7031.87443.389-3.653.3443.3052.5322.30143.459
116AA_G21C22:G25C26_BB1.01-2.1493.2037.6617.31831.555-4.912-0.5542.81113.006-13.61633.243
14AA_U5C6:G41U42_BB2.236-2.5693.537-4.015-1.11243.773-3.32-3.393.39-1.4885.37143.961
112AA_U14G15:C31A32_BB0.237-1.5083.243.73911.53134.005-3.9490.1062.61818.983-6.15536.041
114AA_U19C20:G27U28_BB0.979-2.5633.013-2.2395.3418.86-9.523-3.7142.08515.826.63219.721

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.