A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 12-Aug-2022 number of released structures: 12231
Search for released structures

NDB ID: 4X4P  PDB ID: 4X4P 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
13BB_C3C4:G28G32_BB0.382-1.9483.896-3.08410.98952.25-2.955-0.6463.42512.3113.45553.396
14BB_C4G5:C27G28_BB1.251-1.5813.195-1.5866.28321.103-6.281-3.8122.52316.6564.20322.064
16BB_C6G7:C25G26_BB-0.236-2.0682.922-0.9699.62635.148-4.3970.2682.30115.5791.56836.415
19BB_C9G11:C21G23_BB0.74-2.9926.212-3.19415.91156.997-4.49-1.0435.23716.3113.27559.076
11BB_G1G2:C33C34_BB0.189-1.0062.845-1.0868.44930.131-3.189-0.5222.47115.8572.03831.286
12BB_G2C3:G32C33_BB-0.113-1.5523.1357.162.38933.309-3.0011.2592.9334.103-12.29634.13
15BB_G5C6:G26C27_BB0.084-1.7563.152-0.412.67926.986-4.379-0.2772.9655.7230.87727.12
17BB_G7G8:C24C25_BB0.772-1.6013.9473.3667.04928.796-4.823-0.6833.5313.854-6.61629.815
18BB_G8C9:G23C24_BB-0.341-1.5183.0994.316-0.29132.23-2.6631.3223.042-0.521-7.73132.511
110BB_G11G12:C20C21_BB0.259-2.7914.10914.52-0.90534.722-4.1832.0373.97-1.441-23.11537.56
118DD_A10G11:C21U22_DD-0.478-1.6223.735-6.4841.72440.836-2.507-0.1183.6972.4519.21841.36
114DD_C6G7:C25G26_DD-0.065-1.3124.082-12.74410.23626.222-4.841-2.8333.08320.25125.21430.823
117DD_C9A10:U22G23_DD0.381-1.9262.1211.9145.17321.012-6.304-0.571.63313.879-5.13421.715
111DD_G1G2:C33C34_DD-0.159-1.673.1457.37412.57534.521-4.0531.0972.33720.116-11.79537.386
112DD_G2C3:G32C33_DD-0.127-1.653.4711.9765.60637.697-3.250.453.1918.61-3.03538.146
113DD_G5C6:G26C27_DD1.017-1.1242.6043.101-1.5534.049-1.711-1.3292.731-2.639-5.27834.22
115DD_G7G8:C24C25_DD0.121-2.2033.92815.3466.64527.635-5.3252.9122.99212.56-29.00632.216
116DD_G8C9:G23C24_DD-0.433-1.2753.02-13.96614.87132.122-3.633-0.9032.24124.08422.61837.908
119DD_G11G12:C20C21_DD-0.006-1.9614.42913.70312.3138.43-4.3021.7833.47617.528-19.51142.465
123FF_A10G11:C21U22_FF0.032-2.3383.33610.1813.6932.727-4.5161.5092.9426.336-17.48234.425
122FF_C9A10:U22G23_FF0.857-1.2622.839-8.85212.36832.702-3.403-2.3591.9620.63314.76835.978
120FF_G1G2:C33C34_FF0.479-1.623.0840.42910.2837.441-3.548-0.6752.57315.656-0.65438.78
121FF_G2C3:G32C33_FF0.765-1.8063.4628.96.03133.491-3.9330.123.19310.146-14.97235.127
129HH_A10G11:C21U22_HH-0.813-2.2283.136-1.469-4.23527.048-3.6381.3453.476-8.9763.11427.41
128HH_C9A10:U22G23_HH0.058-1.4972.878-6.13211.84125.84-5.03-1.1751.95524.50812.69229.026
124HH_G1G2:C33C34_HH0.473-1.1752.837-1.8139.7335.804-2.912-0.9412.4215.4652.88237.103
125HH_G2C3:G32C33_HH0.484-1.9833.1286.962.66733.519-3.7580.2153.0044.555-11.88534.315
126HH_G7G8:C24C25_HH0.499-1.3283.9270.3925.69831.646-5.006-0.6732.27439.912-0.60640.56
127HH_G8C9:G23C24_HH-0.124-1.6823.427-8.37.67734.485-3.782-0.9662.94812.53913.55636.238
130HH_G11G12:C20C21_HH0.398-2.4162.9591.8157.62539.305-4.261-0.4062.48211.201-2.66640.049
131HH_G12U13:U19C20_HH-2.606-1.7083.9731.3597.17358.662-2.1642.7253.7047.29-1.38159.075

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.