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: PH0018  PDB ID: 1H38 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
13EE_DA4DA5:DT6DT7_GG-1.855-0.0623.214-7.2362.89739.584-0.4281.8483.4744.22810.5640.313
14EE_DA5DT6:DA5DT6_GG1.763-0.3333.1395.893.42834.884-1.047-2.033.3375.652-9.71135.524
18EE_DA11DT12:A7U8_FF-0.37-1.4393.0341.39810.45926.173-5.0161.0362.27921.993-2.93928.185
16EE_DC7DG8:DC3DG4_GG-0.041-0.8193.6052.81825.27119.282-6.090.5881.55453.084-5.9231.816
110EE_DC13DG14:C5G6_FF-0.175-1.9833.119-1.4746.46224.174-6.2510.022.51815.073.43825.053
112EE_DC15DC16:G3G4_FF0.059-1.6353.143-0.3445.69729.716-4.189-0.1762.78710.9810.66330.247
113EE_DC16DG17:C2G3_FF-0.458-1.5923.641-0.713.95829.338-5.3330.6962.64125.7951.29432.431
11EE_DG2DG3:DC8DC9_GG-1.1510.7793.799-12.621-10.11243.8811.9920.1963.722-13.01816.24746.628
12EE_DG3DA4:DT7DC8_GG1.321-0.0333.3333.182-9.8141.2460.987-1.4883.344-13.67-4.43442.461
17EE_DG8DA9:DT2DC3_GG1.3230.6013.3113.00421.48919.598-4.1-1.8872.81247.927-6.69929.16
111EE_DG14DC15:G4C5_FF-0.549-1.6023.227-2.1784.05536.122-3.1080.5873.0626.5063.49536.404
114EE_DG17DC18:G1C2_FF-0.720.2853.105-0.4152.47835.0750.1191.1333.1254.1050.68835.162
15EE_DT6DC7:DG4DA5_GG-1.3041.5122.8030.465-4.64842.1622.4831.8422.616-6.437-0.64442.408
19EE_DT12DC13:G6A7_FF0.142-1.633.085-4.03812.05732.908-4.232-0.752.3320.3626.81835.215
117HH_DA4DA5:DT6DT7_JJ0.15-0.3553.0475.1781.24434.067-0.7790.4983.0222.108-8.77134.469
118HH_DA5DT6:DA5DT6_JJ1.128-0.6523.2241.081-9.335.9190.242-1.6273.317-14.773-1.71737.08
122HH_DA11DT12:A7U8_II-0.318-1.3612.9851.5658.9925.84-4.7510.9992.36319.352-3.3727.378
120HH_DC7DG8:DC3DG4_JJ0.217-0.8473.2732.159.68626.411-3.9130.0372.80120.31-4.50828.182
124HH_DC13DG14:C5G6_II-0.13-2.0013.094-2.2458.08124.694-6.323-0.2372.33518.2355.06626.059
126HH_DC15DC16:G3G4_II0.034-1.7383.211-1.8987.10129.815-4.57-0.4092.72713.5433.6230.687
127HH_DC16DG17:C2G3_II-0.517-1.6363.4810.94511.3929.529-5.0551.122.66521.365-1.77231.618
115HH_DG2DG3:DC8DC9_JJ0.2631.2223.6386.405-5.72338.0672.5870.4523.424-8.64-9.6738.989
116HH_DG3DA4:DT7DC8_JJ-0.263-0.0693.453-0.7736.81546.366-0.6840.2633.4148.60.97546.843
121HH_DG8DA9:DT2DC3_JJ0.311.3762.8168.0055.66826.8831.6051.0413.00411.708-16.53628.585
125HH_DG14DC15:G4C5_II-0.558-1.6543.201-1.7622.85935.952-3.0580.663.0884.622.84736.103
128HH_DG17DC18:G1C2_II-0.7660.2953.073-0.0113.11435.0940.0511.2653.0875.1530.01935.228
119HH_DT6DC7:DG4DA5_JJ-0.4430.6583.3391.9520.09936.0281.0490.9973.3130.159-3.15436.079
123HH_DT12DC13:G6A7_II0.252-1.5673.045-4.17311.95132.883-4.103-0.9452.30620.2047.05435.172
131KK_DA4DA5:DT6DT7_MM-0.259-0.1733.084-1.6067.23537.986-1.0980.2063.0110.9882.4438.676
132KK_DA5DT6:DA5DT6_MM-0.3250.8182.3339.525-1.22239.0381.2881.2322.172-1.795-13.99740.157
136KK_DA11DT12:A7U8_LL-0.465-1.4042.9022.0499.44525.885-4.8041.3782.21820.209-4.38527.602
134KK_DC7DG8:DC3DG4_MM-0.086-0.9193.593-7.30914.26617.823-6.92-2.2032.16837.6219.27323.928
138KK_DC13DG14:C5G6_LL-0.237-1.9313.14-2.4117.57524.779-6.118-0.0552.46317.15.44126.004
140KK_DC15DC16:G3G4_LL-0.019-1.6913.212-1.2176.42929.649-4.431-0.1922.79112.3742.34330.346
141KK_DC16DG17:C2G3_LL-0.479-1.5983.567-0.26912.29529.41-5.1560.8252.70322.9910.50331.826
129KK_DG2DG3:DC8DC9_MM0.3750.073.774-4.8843.16941.859-0.277-1.0963.7054.416.79642.244
130KK_DG3DA4:DT7DC8_MM-0.2141.0933.367-0.914-0.46640.9491.6140.2033.358-0.6661.30640.962
135KK_DG8DA9:DT2DC3_MM-0.6960.0672.548-5.5722.68129.645-0.3050.4332.6285.16810.74330.269
139KK_DG14DC15:G4C5_LL-0.613-1.5883.204-3.1693.20735.909-2.9940.5563.0975.1765.11536.182
142KK_DG17DC18:G1C2_LL-0.7040.2983.104-0.4192.31935.180.1631.1033.1243.8320.69235.257
133KK_DT6DC7:DG4DA5_MM-0.5340.913.454-2.4685.36938.6210.6630.4783.578.063.70539.053
137KK_DT12DC13:G6A7_LL0.21-1.583.06-4.01112.96632.521-4.25-0.8532.24621.9956.80435.169
145NN_DA4DA5:DT6DT7_PP0.086-0.492.9011.242-4.43739.74-0.260.0022.938-6.5-1.8239.995
146NN_DA5DT6:DA5DT6_PP1.166-0.483.5150.189-6.1835.2710.186-1.8673.551-10.103-0.30935.792
150NN_DA11DT12:A7U8_OO-0.422-1.383.0232.33610.36625.719-4.9661.352.26122.123-4.98527.793
148NN_DC7DG8:DC3DG4_PP-0.63-1.2132.926-7.72314.54121.543-5.62-0.2611.87233.33517.70427.056
152NN_DC13DG14:C5G6_OO-0.211-1.9663.125-2.7227.90524.325-6.347-0.1892.38718.0896.22825.701
154NN_DC15DC16:G3G4_OO-0.02-1.6563.213-1.3015.99329.704-4.294-0.2062.83111.5362.50430.317
155NN_DC16DG17:C2G3_OO-0.491-1.5873.593-0.2812.68129.187-5.2330.8462.69223.7980.52531.769
143NN_DG2DG3:DC8DC9_PP0.360.7083.8675.585-4.01943.5911.3880.1393.806-5.372-7.46544.104
144NN_DG3DA4:DT7DC8_PP-0.177-0.2844.0246.058.42339.503-1.541.0673.82112.209-8.76940.789
149NN_DG8DA9:DT2DC3_PP-0.5451.3422.913.3484.29822.4561.9782.432.99810.833-8.43823.1
153NN_DG14DC15:G4C5_OO-0.583-1.6093.203-2.433.6836.118-3.070.6093.0615.9093.90136.377
156NN_DG17DC18:G1C2_OO-0.7360.2963.128-0.692.65335.2540.111.1133.1554.3731.13735.358
147NN_DT6DC7:DG4DA5_PP-0.9890.6612.8676.3883.23434.9190.6762.4142.6985.32-10.50835.623
151NN_DT12DC13:G6A7_OO0.195-1.5353.07-4.59812.3532.781-4.101-0.9062.31220.8637.76835.263

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.