A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 28-Sep-2022 number of released structures: 12311
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NDB ID: 4X4T  PDB ID: 4X4T 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
110BB_A10G11:C215BU22_BB0.282-2.5973.5198.2545.84128.251-6.2421.1782.90211.51-16.26529.971
13BB_C3C4:G28G32_BB0.24-1.8173.4661.9758.09634.007-4.242-0.1022.97813.59-3.31534.984
14BB_C4G5:C27G28_BB-0.26-1.4923.198-0.77813.92730.045-4.7050.3412.30625.2251.40833.058
16BB_C6G7:C25G26_BB-0.041-1.8173.953-1.55319.8537.308-4.752-0.1172.69528.6692.24242.121
19BB_C9A10:5BU22G23_BB-0.242-1.5093.507-2.5764.66134.184-3.29-0.0083.2877.874.3534.584
11BB_G1G2:C33C31_BB0.122-1.2613.003-0.8989.04832.047-3.51-0.3422.55815.9911.58733.279
12BB_G2C3:G32C33_BB0.063-1.6933.1611.9661.78535.019-3.0610.1773.0732.961-3.26235.116
15BB_G5C6:G26C27_BB-0.033-1.3872.8772.1133.15930.186-3.1850.4252.7126.036-4.03730.419
17BB_G7G8:C24C25_BB-0.599-1.8583.227-6.8212.87933.169-3.634-0.0463.1184.96611.76633.963
18BB_G8C9:G23C24_BB0.093-1.5693.1694.0073.39432.653-3.30.4782.9855.989-7.06933.062
111BB_G11G12:C20C21_BB0.323-1.1633.127-6.5677.15133.996-2.882-1.4192.72611.93110.95735.316
112BB_G125BU13:A17C20_BB-2.308-2.5053.0160.85-9.18991.234-1.5781.6253.186-6.416-0.59491.597
122DD_A10G11:C215BU22_DD-0.695-2.5743.4314.824-1.44828.572-4.8042.5053.394-2.906-9.67929.003
115DD_C3C4:G28G32_DD0.956-1.5753.1332.0415.15829.074-4.096-1.4722.87610.157-4.0229.588
116DD_C4G5:C27G28_DD0.344-1.2043.394-0.70114.15733.904-3.794-0.642.68823.0661.14236.667
118DD_C6G7:C25G26_DD-0.074-1.5282.9586.0427.32729.949-3.9941.12.46413.749-11.33831.385
121DD_C9A10:5BU22G23_DD0.284-1.5663.145-3.86513.35830.312-4.655-1.0522.22524.0216.95133.282
124DD_C15G16:C1G2_HH0.504-1.4363.067-0.1416.85137.79-3.587-0.7282.25324.5780.20441.252
113DD_G1G2:C33C34_DD0.576-1.032.859-2.46912.38935.088-2.962-1.1712.33119.7753.94137.226
114DD_G2C3:G32C33_DD0.261-1.4813.1391.5453.68735.285-2.935-0.2172.9836.058-2.53935.503
117DD_G5C6:G26C27_DD0.19-1.433.5210.5632.55738.802-2.478-0.2133.4263.844-0.84738.887
119DD_G7G8:C24C25_DD0.398-1.5463.3182.11315.79534.562-4.24-0.3622.42925.006-3.34637.957
120DD_G8C9:G23C24_DD-0.015-1.5753.6332.2711.13936.28-2.6990.3733.5761.826-3.64136.366
123DD_G11G12:C20C21_DD0.228-1.9453.559-1.1742.47833.363-3.812-0.6023.44.3072.0433.472
127GG_C4G5:C27G28_GG0.308-1.4763.4151.0637.3133.723-3.622-0.3553.04612.415-1.80534.5
129GG_C6G7:C25G26_GG0.167-1.2563.304-0.2739.06136.311-3.111-0.2952.91714.2680.42937.388
125GG_G1G2:5BU30C31_GG-0.055-1.1852.831-1.4658.94133.294-3.139-0.0942.44115.2572.49934.471
126GG_G2C4:G285BU30_GG-0.326-2.8916.5054.3567.47169.878-3.0210.5816.1826.497-3.78970.343
128GG_G5C6:G26C27_GG-0.12-1.4023.339-0.052.09936.642-2.5160.1843.2563.3360.07936.7
130GG_G7G8:C24C25_GG-0.504-1.1782.8781.59910.46728.961-3.8861.2032.29320.101-3.07130.797
131GG_G8C9:G23C24_GG0.283-1.1873.442-1.057.64131.09-3.545-0.7043.0613.9881.92232.01

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.