A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 5-Aug-2020 number of released structures: 10886
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NDB ID: AR0021  PDB ID: 1QC0 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
12AA_A12G13:C26U27_BB-0.654-1.4433.085-2.7478.97829.514-4.2510.7542.59417.0875.22930.94
14AA_C14G15:C24G25_BB0.637-1.8463.3122.72211.20428.624-5.484-0.7112.4821.588-5.24430.814
19AC_C19G101:C138G20_DB0.11-3.6673.6690.5899.748-23.0154.560.4924.794-23.1391.399-24.976
13AA_G13C14:G25C26_BB0.283-1.3633.2521.8479.76935.139-3.453-0.212.79715.793-2.98636.476
15AA_G15G16:C23C24_BB0.296-1.913.2821.2294.82831.025-4.398-0.3242.9678.954-2.27931.413
16AA_G16U17:A22C23_BB-0.094-1.4123.128-1.2654.22132.17-3.215-0.0392.9257.5722.26932.463
18AA_G18C19:G20C21_BB0.382-1.4093.2130.8324.98932.75-3.271-0.5372.988.782-1.46533.128
11AA_U11A12:U27A28_BB0.418-1.4483.051.05512.3229.722-4.495-0.5942.29722.813-1.95532.138
17AA_U17G18:C21A22_BB-0.452-1.5283.085-0.04111.06230.996-4.3410.7932.41319.9210.07432.865
112CC_A103C104:G135U136_DD0.448-1.7143.1162.6073.5528.182-4.23-0.3582.9117.234-5.31328.517
121CC_A112G113:C126U127_DD0.613-2.0343.0531.1826.87128.085-5.389-1.02.51813.889-2.38928.921
111CC_C102A103:U136G137_DD-0.095-1.6223.0972.0259.74728.872-4.7660.5312.42118.854-3.91630.505
113CC_C104C105:G134G135_DD-0.256-1.8213.353-2.5596.90332.661-4.2710.0342.92912.0834.4833.459
114CC_C105G106:C133G134_DD-0.158-1.7623.02-1.3711.86226.469-5.6490.0692.06124.3892.81828.994
123CC_C114G115:C124G125_DD-0.258-1.7563.437-1.33717.27232.2-5.0290.2412.24628.6962.22236.455
110CC_G101C102:G137C138_DD-0.503-2.1963.209-1.6262.49229.658-4.7680.6523.044.8543.16729.803
115CC_G106U107:A132C133_DD0.212-1.2823.1770.9615.42336.976-2.677-0.2112.978.493-1.50537.37
118CC_G109G110:C129C130_DD0.169-1.4463.41-0.4615.44636.754-3.005-0.3273.1688.5780.72637.145
119CC_G110U111:A128C129_DD-0.668-1.9633.182-1.2154.50829.041-4.7671.0732.8758.9182.40329.406
122CC_G113C114:G125C126_DD-0.119-1.423.1562.1165.51836.045-2.9770.4632.9038.844-3.39136.51
124CC_G115G116:C123C124_DD0.215-1.9073.1722.01211.09231.176-4.986-0.082.38119.844-3.633.104
125CC_G116U117:A122C123_DD0.012-1.4073.258-0.7886.21930.605-3.74-0.1652.92211.6281.47431.226
127CC_G118C119:G120C121_DD0.182-1.393.154-1.3313.87834.941-2.845-0.4882.9796.432.20635.174
116CC_U107U108:A131A132_DD-0.597-1.9293.3-5.46412.96429.867-5.4090.2062.35423.5779.93832.946
117CC_U108G109:C130A131_DD0.185-1.6153.02.42713.37928.127-5.0780.0312.04725.714-4.66531.181
120CC_U111A112:U127A128_DD0.006-1.7592.8460.4874.18325.881-4.8140.0952.5359.262-1.07826.216
126CC_U117G118:C121A122_DD-0.016-1.5913.069-0.1428.26529.851-4.3790.0052.54815.6690.26930.949

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.