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: UHX026  PDB ID: 1HMH 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
15AA_A23C22:DG12DT13_BB0.904-0.9923.3163.058-2.00632.835-1.393-1.0543.437-3.536-5.38933.033
113AA_A130A140:U70G80_AA3.187-0.8642.038-15.00813.60727.11-2.225-6.305-0.08725.06427.64433.729
114AA_A140A151:DT161U70_BA-2.749-0.9954.005-1.62212.83275.143-1.2692.1723.8710.4481.32176.085
115AA_A151C152:DG162DT161_BB2.248-0.9353.056-5.8690.37530.837-1.79-5.1172.5830.69710.91331.38
13AA_C25G24:DC14DG15_BB0.121-1.253.073.1855.39824.516-4.2690.5562.72912.453-7.34925.292
16AA_C22C21:DG11DG12_BB-0.187-1.9033.2572.3544.77227.67-4.9650.9042.8699.862-4.86528.167
17AA_C21C30:DC170DG11_BB0.42-0.833.5-5.5846.08837.375-2.065-1.3733.2369.368.58638.245
110AA_C112C111:G101G102_AA-0.863-1.8043.23-1.9183.77330.54-4.1011.2643.0387.123.61830.825
111AA_C111G120:A90G101_AA-0.486-1.023.3432.2564.08255.242-1.3370.6563.2464.393-2.42855.423
116AA_C152C153:DG163DG162_BB-0.527-1.3093.226-3.5048.69127.757-4.3550.3312.74417.4977.05529.267
117AA_C153G154:DC164DG163_BB0.486-1.6033.288-3.0968.52832.369-4.085-1.3162.73214.9345.42133.583
11AA_G27G26:DC16DC17_BB0.492-1.7893.7098.91610.18632.741-4.5650.6083.06117.183-15.0435.358
12AA_G26C25:DG15DC16_BB0.19-1.4333.064-1.2697.2930.474-3.871-0.5632.64813.6182.37131.339
14AA_G24A23:DT13DC14_BB-0.144-1.1983.1771.8330.10433.051-2.1190.5533.1610.183-3.21933.1
18AA_G114G113:C103C104_AA0.129-2.1453.3560.137-0.29825.738-4.73-0.2493.381-0.67-0.30725.74
19AA_G113C112:G102C103_AA0.618-1.8413.3961.8314.48733.726-3.862-0.7613.167.685-3.13634.062
112AA_G120A130:G80A90_AA1.008-1.2844.0327.079-1.181-8.0248.93417.8862.2066.88841.301-10.761
118AA_G154U155:DA165DC164_BB0.638-1.9093.1380.3151.33234.158-3.447-1.0383.0692.267-0.53634.185
135CC_A23C22:DG12DT13_DD0.854-1.4543.3411.6646.80433.262-3.562-1.1993.03111.725-2.86733.971
119CC_A24LG114:C104A22L_CA5.442-2.212.718-14.432-1.686-22.2215.46.9075.0733.885-33.261-26.5
125CC_A130A140:U70G80_CC3.215-0.9881.838-17.32310.46929.158-2.026-5.953-0.30418.27830.24735.369
126CC_A140A151:DT161U70_DC-2.5-0.9723.884-0.1178.6878.513-1.0441.9633.7816.8390.09278.914
127CC_A151C152:DG162DT161_DD1.46-1.0143.336-12.3676.9731.805-2.668-4.1662.35711.99921.2934.755
133CC_C25G24:DC14DG15_DD0.496-1.7683.3171.5310.81730.839-4.886-0.6352.58719.586-2.77132.673
136CC_C22C21:DG11DG12_DD-0.272-1.6153.432.943.38333.572-3.330.953.2225.825-5.06233.861
137CC_C21C30:DC170DG11_DD1.476-0.6413.428-4.8417.11840.561-1.672-2.6083.08810.1316.88941.427
122CC_C112C111:G101G102_CC-0.678-1.4023.3132.8414.30932.829-3.1571.6513.0427.566-4.98933.222
123CC_C111G120:A90G101_CC-0.984-0.6323.6170.6817.11159.667-1.0161.023.5187.119-0.68260.054
128CC_C152C153:DG163DG162_DD0.167-1.1583.244-0.6142.19937.706-2.066-0.3363.1713.3990.9537.773
129CC_C153G154:DC164DG163_DD0.605-1.6742.8275.36810.45628.776-4.728-0.3092.17620.017-10.27631.037
131CC_G27G26:DC16DC17_DD-0.571-1.6373.3321.2517.25131.093-4.2381.2562.86313.295-2.29331.931
132CC_G26C25:DG15DC16_DD0.183-1.1613.1930.2585.05334.866-2.634-0.2663.0028.379-0.42735.22
134CC_G24A23:DT13DC14_DD-0.97-1.262.768-1.873-0.62827.191-2.5391.6552.855-1.3343.97627.261
120CC_G114G113:C103C104_CC-0.535-1.7913.531-0.0196.8831.873-4.4180.953.08712.3490.03532.588
121CC_G113C112:G102C103_CC1.067-1.8292.9971.1170.93231.02-3.58-1.7962.9781.742-2.08731.053
124CC_G120A130:G80A90_CC1.229-0.983.8784.692-6.77-11.05410.9879.9052.21730.23220.951-13.778
130CC_G154U155:DA165DC164_DD0.631-2.2623.065-1.563.97728.109-5.413-1.6012.6888.1293.18928.425
142EE_A23C22:DG12DT13_FF0.736-1.423.3180.8064.12834.307-3.024-1.1163.1476.966-1.35934.556
145EE_A24LG114:C104G21L_EE2.902-1.1782.9384.0878.89548.401-2.011-3.2022.91310.721-4.92649.323
151EE_A130A140:U70G80_EE3.253-1.3061.7-18.1149.77429.119-2.413-5.835-0.57317.0231.54135.53
152EE_A140A151:DT161U70_FE-2.08-0.384.247-2.57612.14781.72-0.6791.4944.2229.2351.95982.494
153EE_A151C152:DG162DT161_FF1.824-0.9392.914-5.8851.47332.973-1.831-3.9742.5172.56810.25933.511
140EE_C25G24:DC14DG15_FF0.089-1.713.010.32211.51325.853-5.677-0.122.07424.257-0.67928.263
143EE_C22C21:DG11DG12_FF0.174-2.5452.981.8149.45119.515-9.50.0671.59725.939-4.97921.739
144EE_C21C30:DC170DG11_FF1.24-0.7443.383-1.8727.75141.39-1.841-1.923.14410.8452.6242.118
148EE_C112C111:G101G102_EE0.03-2.4283.0682.282.07319.641-7.9150.8812.7846.03-6.63119.879
149EE_C111G120:A90G101_EE-0.828-0.6883.329-0.283.5253.011-0.9960.9083.2843.9390.31353.12
154EE_C152C153:DG163DG162_FF0.163-1.223.276-3.6384.72731.732-3.012-0.9213.038.556.58132.273
155EE_C153G154:DC164DG163_FF0.445-1.3613.2935.7159.78930.077-4.1440.1782.76218.076-10.55232.096
138EE_G27G26:DC16DC17_FF-0.476-1.9183.108-1.3945.12228.638-4.8260.6712.7510.2432.78829.115
139EE_G26C25:DG15DC16_FF-0.085-1.7653.401-4.2761.86634.776-3.215-0.5173.2923.1057.11435.078
141EE_G24A23:DT13DC14_FF-1.31-0.913.056-1.0885.25435.548-2.1651.982.9338.5451.7735.938
146EE_G114G113:C103C104_EE0.013-2.4143.396-1.106-0.11227.229-5.093-0.3153.403-0.2382.34827.251
147EE_G113C112:G102C103_EE-0.033-2.0933.4270.4496.16836.877-4.0760.113.0499.667-0.70337.374
150EE_G120A130:G80A90_EE0.632-1.2974.0035.008-1.78-4.32918.48226.7591.73117.03247.925-6.853
156EE_G154U155:DA165DC164_FF0.135-0.8743.2251.00.94434.049-1.639-0.0743.2031.612-1.70734.076

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.