A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 18-May-2022 number of released structures: 12082
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NDB ID: PR0126  PDB ID: 1SZ1 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
121EE_2MG10C11:G24C25_EE-0.953-1.6093.143-2.6464.56438.149-2.9731.1362.9956.9424.02538.499
116EE_5MC40U41:A29G30_EE0.779-1.663.603-2.0884.99741.0-2.923-1.3423.3457.0972.96541.341
18EE_5MC49U50:A64G65_EE-0.911-2.0973.21-1.5417.55729.034-5.4611.472.63614.7473.00730.02
113EE_5MU54PSU55:G181MA58_EE1.932-2.2953.3768.684.37245.871-3.27-1.673.4475.536-10.99246.835
15EE_A5U6:A67U68_EE0.506-1.6893.3792.0527.49129.236-4.72-0.5642.89514.52-3.97830.228
125EE_A14G15:C48U8_EE2.421-3.4513.3140.967.199-63.6562.9252.3283.612-6.8020.907-64.025
114EE_A38PSU39:A31OMC32_EE-0.241-1.3593.06-6.78411.03747.896-2.356-0.1642.71213.3148.18349.518
120EE_A442MG10:C25M2G26_EE-2.882-2.6553.38314.63816.09158.741-3.193.3531.96715.826-14.39662.301
12EE_C2G3:C70G71_EE-0.758-1.3473.12-2.3333.57220.236-5.2041.1642.90810.0216.54620.677
122EE_C11U12:A23G24_EE-0.278-1.2043.262-1.2037.51632.324-3.3170.2942.92413.2712.12533.185
124EE_C13A14:U8G22_EE-2.383-0.2933.292-0.322-5.27357.853-0.0192.4383.317-5.4390.33258.073
11EE_G1C2:G71C72_EE0.649-2.1613.11-0.791-0.02641.001-3.081-1.0093.099-0.0371.1341.008
13EE_G3G4:U69C70_EE0.236-1.8322.821-5.7495.42923.223-5.645-1.9652.21913.01213.77924.515
14EE_G4A5:U68U69_EE-0.208-1.433.2871.383.8642.987-2.3160.4163.1455.253-1.87843.172
118EE_G42G43:C27C28_EE-0.08-1.5163.2781.425.73136.185-3.170.3153.0069.151-2.26836.648
119EE_G43A44:M2G26C27_EE-0.676-1.0953.4095.635.95538.434-2.3421.6793.0878.922-8.43539.266
110EE_G51U52:A62C63_EE0.257-1.3093.184-1.0693.50228.747-3.349-0.7382.9957.0182.14228.974
112EE_G535MU54:1MA58C61_EE-1.767-2.4513.094-0.333-5.80289.131-1.6291.2513.22-4.130.23789.281
115EE_PSU395MC40:G30A31_EE0.004-1.4083.09-0.6167.0838.725-2.853-0.0722.79910.5680.9239.347
16EE_U6U7:A66A67_EE-0.195-1.163.1291.96510.434.068-3.2640.5772.65717.241-3.25835.627
17EE_U75MC49:G65A66_EE-0.469-2.0573.2960.3684.41533.752-4.1940.8583.0057.563-0.6334.033
123EE_U12C13:G22A23_EE1.734-2.0712.845.6280.9127.198-4.513-2.3793.061.909-11.80327.778
117EE_U41G42:C28A29_EE-0.302-1.7783.024-0.0977.72326.016-5.4450.6242.40616.6930.2127.119
19EE_U50G51:C63A64_EE0.27-1.433.3251.1155.07831.533-3.503-0.2913.0719.266-2.03431.948
111EE_U52G53:C61A62_EE0.975-1.9753.3861.9897.60333.714-4.47-1.3392.93512.893-3.37234.592
146FF_2MG10C11:G24C25_FF-0.951-1.6093.145-2.6064.538.193-2.9641.1372.9996.8383.96138.532
141FF_5MC40U41:A29G30_FF0.778-1.6593.603-2.0755.00340.999-2.923-1.343.3457.1052.94741.34
133FF_5MC49U50:A64G65_FF-0.912-2.0943.204-1.5047.54429.03-5.4531.482.63214.7262.93530.01
138FF_5MU54PSU55:G181MA58_FF1.82-2.0963.1476.8644.83744.28-3.16-1.7773.1476.349-9.0145.029
130FF_A5U6:A67U68_FF0.493-1.6823.3871.9057.82628.936-4.816-0.572.86915.292-3.72330.013
150FF_A14G15:C48U8_FF2.416-3.4563.3160.9647.13-63.6762.9332.3233.611-6.7350.911-64.039
139FF_A38PSU39:A31OMC32_FF-0.238-1.3623.06-6.75810.97947.844-2.36-0.1672.71213.2598.16149.452
145FF_A442MG10:C25M2G26_FF-2.881-2.6583.38314.59116.05558.735-3.1933.3521.9715.794-14.35462.277
127FF_C2G3:C70G71_FF-0.811-1.3363.11-1.7213.23620.871-4.8821.5412.9288.8454.70421.187
147FF_C11U12:A23G24_FF-0.278-1.2063.254-1.1537.55432.33-3.3210.3012.91413.3352.03633.197
149FF_C13A14:U8G22_FF-2.385-0.2943.286-0.338-5.23257.852-0.0232.4393.312-5.3960.34958.069
126FF_G1C2:G71C72_FF0.66-2.1733.168-0.9760.34441.185-3.124-1.0393.1350.4891.38741.197
128FF_G3G4:U69C70_FF0.16-1.832.768-5.9626.04922.328-5.942-1.8852.09414.94414.72923.869
129FF_G4A5:U68U69_FF-0.195-1.3943.2941.3843.68543.117-2.2450.3983.1635.002-1.87843.287
143FF_G42G43:C27C28_FF-0.083-1.5143.2781.4295.70636.164-3.1680.3233.0079.118-2.28336.623
144FF_G43A44:M2G26C27_FF-0.675-1.0943.4055.5785.97338.44-2.3411.6713.0848.949-8.35739.267
135FF_G51U52:A62C63_FF0.257-1.3073.185-1.093.43128.765-3.331-0.7433.0016.8722.18228.985
137FF_G535MU54:1MA58C61_FF-1.639-2.3573.3560.83-4.27290.657-1.5681.1693.429-3.002-0.58390.739
140FF_PSU395MC40:G30A31_FF0.006-1.413.091-0.6127.12438.757-2.858-0.0752.79810.6240.91239.387
131FF_U6U7:A66A67_FF-0.206-1.2223.1831.30410.55333.993-3.4140.5122.68617.526-2.16635.571
132FF_U75MC49:G65A66_FF-0.416-2.0433.280.7014.1134.097-4.080.8113.0126.977-1.19134.344
148FF_U12C13:G22A23_FF1.732-2.0722.8495.5910.91627.199-4.519-2.3793.0661.922-11.72727.772
142FF_U41G42:C28A29_FF-0.303-1.7773.025-0.1057.76826.025-5.4460.6232.40416.780.22727.141
134FF_U50G51:C63A64_FF0.27-1.4293.3281.0795.15531.515-3.518-0.2983.0699.408-1.9731.941
136FF_U52G53:C61A62_FF0.973-1.9743.3882.0267.71433.714-4.481-1.332.9313.074-3.43434.618

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.