A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 12-Aug-2022 number of released structures: 12231
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NDB ID: 7EI9  PDB ID: 7EI9 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
14AA_A8A9:G14G15_BB0.047-0.3092.995-13.487.93827.818-1.876-2.3142.52915.09525.63331.839
15AA_A9C10:G13G14_BB0.105-0.6633.14-5.5893.27164.854-0.745-0.3193.093.0425.19865.141
16AA_C10C11:G12G13_BB-0.274-2.1413.262-1.7337.00530.658-5.1610.2052.72913.0233.22131.476
17AA_C11G12:C11G12_BB0.25-1.9183.3143.65810.94731.744-4.9490.1192.54419.236-6.42833.727
113AA_C18C19:G1G2_BB0.362-1.7463.171-0.7824.98829.099-4.407-0.8642.8299.8331.54129.524
11AA_G1G2:C18C19_BB-0.476-2.1043.312-3.4121.67326.337-5.0110.1373.2093.6487.43926.605
12AA_G2C3:G17C18_BB0.264-2.1733.275-2.9342.81436.253-3.851-0.8183.0744.5054.69736.473
13AA_G7A8:G15A16_BB-1.689-1.4354.466-8.384-11.847-8.19212.835-11.4070.33549.556-35.072-16.655
18AA_G12G13:C10C11_BB0.625-1.9543.198-3.8486.89131.92-4.524-1.7012.63912.2976.86732.856
19AA_G13G14:A9C10_BB-0.055-0.6973.4857.0094.01965.717-0.810.3493.4213.689-6.43366.157
110AA_G14G15:A8A9_BB-0.255-0.1412.78312.6431.98630.867-0.5222.2032.4783.546-22.57633.355
111AA_G15A16:G7A8_BB1.625-1.6294.2467.909-4.864-7.3314.21718.1440.88127.13244.114-11.824
112AA_G17C18:G2C3_BB0.24-2.1433.2173.9894.8830.685-4.8360.2622.8589.101-7.4431.311

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.