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: NA2174  PDB ID: 4IHT 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
12EE_DA2DA3:DT23DT24_FF0.5110.8963.019-10.5731.15738.7961.185-1.8362.8151.70315.56340.173
13EE_DA3DA4:DT22DT23_FF-0.452-0.7553.2253.047-0.04633.4-1.3021.2743.174-0.079-5.28833.535
14EE_DA4DA5:DT21DT22_FF-0.189-0.4273.383-0.003-2.41937.803-0.3360.2913.403-3.7290.00537.877
15EE_DA5DA6:DT20DT21_FF-0.164-0.6343.384-6.251-5.09335.372-0.266-0.6593.418-8.25110.12636.251
16EE_DA6DT7:DA19DT20_FF-0.751-1.4073.259-1.122-3.55131.753-1.8971.1563.416-6.4622.04231.965
18EE_DA8DC9:DG17DT18_FF1.352-0.4653.3431.329-0.55433.415-0.713-2.1243.399-0.963-2.3133.445
113EE_DA13DT14:DA12DT13_FF0.9160.6373.383-0.183-4.46236.6321.624-1.4733.281-7.0670.2936.894
115EE_DA15DG16:DC10DT11_FF0.85-0.8053.542-0.1284.66635.446-2.03-1.4053.4097.6230.20935.742
119EE_DA19DT20:DA6DT7_FF0.871-0.9473.261-3.9990.88731.024-1.921-2.3533.0991.657.43531.287
124EE_DA24DT25:DA1DT2_FF1.2650.1353.013-1.4756.25229.004-0.941-2.7532.91212.2932.89929.691
19EE_DC9DT10:DA16DG17_FF-0.138-1.0393.2587.5925.00532.067-2.6211.4662.9588.84-13.4133.299
111EE_DC11DC12:DG14DG15_FF0.5790.6493.3754.8-3.47839.5171.364-0.2763.353-5.109-7.05139.941
112EE_DC12DA13:DT13DG14_FF-1.0811.1343.343-3.13-1.51640.0851.8261.2073.371-2.2064.55740.23
116EE_DG16DG17:DC9DC10_FF-0.308-0.8183.6350.008-0.26536.461-1.2660.4933.64-0.424-0.01236.462
117EE_DG17DT18:DA8DC9_FF-0.627-0.5213.0290.363-2.09635.046-0.5721.0913.048-3.476-0.60235.108
11EE_DT1DA2:DT24DA25_FF-0.2421.3513.366.9420.48243.2541.7641.0023.2990.649-9.34543.784
17EE_DT7DA8:DT18DA19_FF-0.181-0.412.9970.211-1.44339.272-0.4520.2923.008-2.146-0.31439.298
110EE_DT10DC11:DG15DA16_FF0.212-0.4513.429-0.0131.9634.193-1.088-0.3633.3993.3290.02134.248
114EE_DT14DA15:DT11DA12_FF-1.1390.8442.994-4.021-10.74939.8812.2281.2242.782-15.3775.75341.435
118EE_DT18DA19:DT7DA8_FF-0.197-0.693.5222.9847.28431.176-2.6180.9173.24913.29-5.44432.13
120EE_DT20DT21:DA5DA6_FF-0.138-0.633.4523.063-4.88937.735-0.3050.6233.483-7.506-4.70338.157
121EE_DT21DT22:DA4DA5_FF-0.103-0.293.038-0.051-4.74440.7940.0680.1413.051-6.7770.07341.057
122EE_DT22DT23:DA3DA4_FF0.363-0.2013.0381.7610.6735.353-0.422-0.3573.0471.101-2.89735.402
123EE_DT23DA24:DT2DA3_FF0.2071.2943.3996.51-4.09541.682.2190.3953.259-5.697-9.05642.353
126GG_DA2DA3:DT23DT24_HH0.9890.593.2664.243-2.08234.4811.308-0.9993.32-3.492-7.11734.793
127GG_DA3DA4:DT22DT23_HH-0.586-0.2783.551-2.627-2.08234.96-0.1210.5423.594-3.4564.36135.115
128GG_DA4DA5:DT21DT22_HH-0.39-0.5913.1071.636-1.52441.738-0.6770.7093.109-2.138-2.29441.796
129GG_DA5DA6:DT20DT21_HH0.243-0.9563.235-3.363-4.40434.897-0.922-0.8993.291-7.2865.56435.321
130GG_DA6DT7:DA19DT20_HH-0.445-1.0883.1832.996-3.03332.099-1.4261.3183.216-5.455-5.38832.373
132GG_DA8DC9:DG17DT18_HH0.891-0.7173.2741.599-3.09630.383-0.735-1.3663.37-5.883-3.03930.578
137GG_DA13DT14:DA12DT13_HH0.4730.3953.1362.44-4.10131.1481.459-0.4363.087-7.581-4.5131.502
139GG_DA15DG16:DC10DT11_HH0.783-0.5413.562.8332.80834.658-1.366-0.8383.5584.693-4.73634.88
143GG_DA19DT20:DA6DT7_HH1.029-0.8233.108-1.1143.55832.168-2.06-2.0282.9666.3942.00332.377
148GG_DA24DT25:DA1DT2_HH0.533-0.3143.176-10.1873.74732.137-1.108-2.4612.8276.5417.7833.875
133GG_DC9DT10:DA16DG17_HH0.451-0.9963.3517.866-3.37534.729-1.1090.4623.447-5.55-12.93635.737
135GG_DC11DC12:DG14DG15_HH0.6110.5223.3616.965-0.65141.5510.796-0.1013.407-0.91-9.73542.11
136GG_DC12DA13:DT13DG14_HH-1.2681.6693.321-6.694-2.97144.3142.4631.0383.356-3.9078.80344.885
140GG_DG16DG17:DC9DC10_HH-0.485-0.5873.232-5.7922.93837.075-1.290.0043.2144.5779.02437.62
141GG_DG17DT18:DA8DC9_HH-0.564-0.7633.066-1.3320.66728.411-1.6970.8613.071.3592.71128.449
125GG_DT1DA2:DT24DA25_HH-0.3571.023.455-3.185-4.15845.3821.6940.1693.37-5.3684.11245.667
131GG_DT7DA8:DT18DA19_HH-0.386-0.3563.125-5.3963.48437.683-0.964-0.0623.1055.3468.28138.207
134GG_DT10DC11:DG15DA16_HH0.478-0.7383.5941.5499.05632.707-2.823-0.5523.29715.7-2.68533.939
138GG_DT14DA15:DT11DA12_HH-0.6221.0313.166-8.194-5.86843.9371.8560.0993.074-7.72210.78445.023
142GG_DT18DA19:DT7DA8_HH-0.045-0.2623.4925.458-0.07436.459-0.4040.8623.45-0.118-8.66436.852
144GG_DT20DT21:DA5DA6_HH-0.053-0.1383.3474.896-11.14337.811.1390.6673.229-16.676-7.32639.653
145GG_DT21DT22:DA4DA5_HH0.615-0.183.2023.3142.09738.681-0.521-0.5283.2283.156-4.98738.872
146GG_DT22DT23:DA3DA4_HH0.190.0193.1420.9170.53437.253-0.038-0.183.1460.836-1.43537.268
147GG_DT23DA24:DT2DA3_HH0.3110.823.6362.9777.95636.5350.085-0.0383.7412.485-4.67137.476

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.