A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 4-Dec-2019 number of released structures: 10490
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NDB ID: NA2224  PDB ID: 4IRI 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
12BB_DA2DC3:DG22DT23_CC0.628-0.8733.201-2.2778.33835.039-2.526-1.3192.87913.5953.71236.057
17BB_DA7DA8:DT17DT18_CC-0.254-0.4063.1050.0126.2133.027-1.6570.4412.98110.805-0.02133.59
18BB_DA8DG9:DC16DT17_CC0.4-0.7353.436-3.5494.93335.087-1.941-1.1863.2518.1075.83235.593
13BB_DC3DC4:DG21DG22_CC-0.453-0.9243.72-1.674.18534.951-2.2260.4693.6056.9332.76635.232
14BB_DC4DG5:DC20DG21_CC0.5650.5523.246.1327.32830.21-0.3810.133.32713.638-11.41231.651
11BB_DG1DA2:DT23DC24_CC-0.58-0.6213.1472.2171.10132.77-1.2771.3873.081.948-3.92232.861
15BB_DG5DG6:DC19DC20_CC-1.353-0.2213.114-7.9496.02232.731-1.3251.0513.25410.3913.71434.177
16BB_DG6DA7:DT18DC19_CC-0.202-0.7163.141-2.6376.06927.918-2.734-0.1532.9312.365.3728.676
19BB_DG9DT10:DA15DC16_CC-1.075-0.5513.412-0.059-0.12833.383-0.9371.8613.416-0.2220.10333.383
111BB_DG11DG12:DC13DC14_CC-0.8611.6093.214-5.188-1.67839.5592.5470.6693.228-2.4657.62239.918
110BB_DT10DG11:DC14DA15_CC0.1741.593.2772.0593.29531.9182.2650.0653.4245.965-3.72732.148

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.