A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 1-Apr-2020 number of released structures: 10687
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NDB ID: 2KD4  PDB ID: 2KD4 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
12AA_C2C3:G6G7_BB0.421-1.8214.093-13.2220.06137.792-2.674-2.4933.7430.09119.69139.958
13AA_C3G4:C5G6_BB-0.083-1.1676.681-7.874-11.9520.2785.069-4.9366.065-29.63919.52824.776
15AA_C5G6:C3G4_BB-0.135-1.186.6193.496-6.87521.7242.0572.8876.574-17.545-8.92223.037
11AA_G1C2:G7C8_BB3.746-0.499-1.20913.0162.562-36.680.7611.851-0.195-87.0436.961-163.946
14AA_G4C5:G4C5_BB0.069-0.1883.3970.222-0.56549.8-0.18-0.0653.399-0.671-0.26349.803
16AA_G6G7:C2C3_BB0.164-1.8223.68614.112.69339.303-3.7631.2272.88717.677-19.63643.478
17AA_G7C8:G1C2_BB-3.411-0.634-1.268-10.038164.474-49.960.773-1.69-0.154-86.61-5.286-166.211

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.