A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 17-Aug-2022 number of released structures: 12237
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NDB ID: 1K4A  PDB ID: 1K4A 


Base Pair Morphology Parameters

CSV Format

Model NumberPair NumberPair NameShearStretchStaggerBucklePropellorOpening
16A_A6:A9_A6.017-4.7151.032-4.783-7.23-14.35
15A_C5:G10_A-0.3040.227-0.1282.422.3260.59
11A_G1:C14_A-0.3240.181-0.083-1.845-2.286-1.22
12A_G2:C13_A-1.207-0.258-0.201-3.228-0.848-2.624
13A_U3:A12_A-0.7030.238-0.1420.7231.997-5.912
14A_U4:A11_A-0.8680.219-0.071-0.9711.997-2.011

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.