A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-May-2022 number of released structures: 12077
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NDB ID: 2AU4  PDB ID: 2AU4 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
14AA_A4C5:G37U38_AA-1.5870.744.593-1.38729.54524.933-4.5622.1393.62250.6722.3838.504
17AA_A7G12:A34A35_AA0.2231.2553.24-8.505-1.73-1.945-3.558-20.8551.16715.429-75.838-8.894
15AA_C5G6:C36G37_AA0.478-0.0133.5835.6864.8543.153-0.529-0.0413.5936.535-7.66243.765
113AA_C18G19:C26G27_AA-1.217-1.3513.144-1.12821.52929.954-4.6281.81.8436.3291.90436.761
115AA_C20U21:G24G25_AA-1.32-2.0185.249-5.96810.91295.45-1.6570.7235.1137.354.0296.062
11AA_G1G2:C40C41_AA-2.262-0.4652.785-10.1948.10342.713-1.2972.1223.08710.82713.62244.565
12AA_G2G3:C39C40_AA1.202-0.4352.865-2.93716.03830.373-2.821-2.4152.24128.2035.16534.382
13AA_G3A4:U38C39_AA0.432-0.0783.3123.841.64337.053-0.344-0.1583.3332.576-6.01837.279
16AA_G6A7:A35C36_AA0.022-0.8233.0799.00111.38272.377-1.0240.2482.9279.544-7.54873.622
111AA_G9G17:U28G29_AA1.136-0.7382.98-6.96215.36-164.8050.3450.5613.002-7.747-3.512-164.97
18AA_G12U14:A33A34_AA-3.182-2.373.12-5.6819.92346.01-4.0443.3922.32424.1056.87350.227
110AA_G15G9:G29A32_AA1.793-0.5375.339-9.622-9.891-121.6030.4540.8815.3845.657-5.503-122.066
112AA_G17C18:G27U28_AA-2.3860.1863.6050.75413.1837.392-1.4393.6223.42919.818-1.13439.575
114AA_G19C20:G25C26_AA0.949-0.1572.894-0.55515.69423.476-3.521-2.0612.31434.1111.20628.183
19AA_U14G15:A32A33_AA4.481-3.0783.82815.446-11.6130.9866.8928.0145.62-52.345-69.62419.35

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.