A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 18-May-2022 number of released structures: 12082
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NDB ID: 2KD8  PDB ID: 2KD8 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
13AA_A3U4:A19U20_AA-0.818-1.653.2491.3317.96427.933-4.8981.8992.64616.078-2.68729.054
11AA_G1G2:C21C22_AA0.176-1.9943.2610.28212.67325.758-6.493-0.32.07226.482-0.5928.66
12AA_G2A3:U20C21_AA-0.025-1.3143.341-1.9112.11733.708-3.803-0.2232.7220.0883.16735.809
15AA_G5G6:C17C18_AA0.261-1.33.4592.5646.82535.296-3.096-0.0483.17111.109-4.17336.018
16AA_G6U7:G16C17_AA1.107-1.9623.4030.86.19236.316-3.942-1.6433.0619.844-1.27336.831
14AA_U4G5:C18A19_AA0.392-1.2663.301-1.33911.62833.398-3.711-0.8332.70619.5032.24635.334
17AA_U7U8:A15G16_AA-0.145-1.93.0051.915.05424.423-5.680.8222.54711.763-4.44425.005
18AA_U8G9:U14A15_AA-0.118-1.6432.6690.37311.46119.009-7.2220.4031.44931.286-1.01822.173

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.