A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 29-Jun-2022 number of released structures: 12153
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NDB ID: NA1326  PDB ID: 3U44 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
14XX_DA4DA5:DT39DT40_XX0.14-1.0043.679-1.621-0.16529.719-1.916-0.6543.672-0.3213.15729.763
15XX_DA5DT6:DA38DT39_XX-0.070.7383.626-1.058-8.84836.662.385-0.043.365-13.8171.65337.691
110XX_DA10DG11:DC33DT34_XX-0.6120.0943.42-10.2085.83437.23-0.617-0.4093.448.87215.52238.979
113XX_DA13DC14:DG30DT31_XX-0.33-0.2813.553-2.52-1.22735.974-0.2640.1443.575-1.9834.07336.08
12XX_DC2DT3:DA41DG42_XX-1.4250.5223.326-6.113-4.45532.1541.7091.4223.43-7.90810.85133.009
18XX_DC8DG9:DC35DG36_XX0.177-0.0493.2141.2149.44227.74-2.103-0.0913.03918.998-2.44329.297
112XX_DC12DA13:DT31DG32_XX-0.1180.4483.464-5.9035.03635.065-0.046-0.7143.4678.2359.65135.887
114XX_DC14DT15:DA29DG30_XX0.226-0.3643.1464.0624.0430.376-1.4360.3323.0777.625-7.66630.899
17XX_DG7DC8:DG36DC37_XX0.0870.3083.346.9045.37338.595-0.1950.7073.3198.004-10.28539.537
19XX_DG9DA10:DT34DC35_XX0.5350.2663.6038.5245.18831.225-0.540.7143.6179.345-15.35332.743
111XX_DG11DC12:DG32DC33_XX0.061-0.5283.3813.2612.65436.639-1.2050.3593.3294.206-5.16736.871
11XX_DT1DC2:DG42DA43_XX-0.32-0.9573.3012.1379.18531.192-3.2560.9312.88316.611-3.86532.553
13XX_DT3DA4:DT40DA41_XX0.134-0.1463.670.4822.94436.225-0.694-0.143.6494.726-0.77336.344
16XX_DT6DG7:DC37DA38_XX-0.103-0.6192.819-4.7296.19831.098-2.068-0.5352.63611.3398.65132.037
115XX_DT15DG16:DC28DA29_XX0.034-2.7733.1846.2762.37818.656-9.1022.6572.687.047-18.59819.817

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.