A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 9-Feb-2023 number of released structures: 12635
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NDB ID: PR0203  PDB ID: 2C4Q 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
12RR_A3U4:A16U17_RR-0.053-1.1563.5082.038.47736.787-2.9170.3523.16713.205-3.16237.771
11RR_C2A3:U17G18_RR0.115-1.8583.075-4.049.21638.483-3.673-0.5812.55713.6986.00539.728
14RR_G5G7:C14C15_RR0.204-2.1313.441-1.6884.05731.177-4.693-0.6953.1317.5013.12131.478
15RR_G7G8:C13C14_RR-0.408-2.0013.127-1.3123.79832.521-4.1520.5142.8956.7492.33232.762
13RR_U4G5:C15A16_RR-0.074-1.3533.0371.47210.70429.974-4.150.3662.41719.899-2.73731.82
17SS_A3U4:A16U17_SS-0.197-1.0363.2892.4143.76137.673-2.070.6093.1565.798-3.72237.928
16SS_C2A3:U17G18_SS0.524-1.9343.735-6.2687.76735.596-4.176-1.7323.12512.40710.01336.925
19SS_G5G7:C14C15_SS0.696-1.9353.3371.06910.34633.974-4.599-0.9952.67217.213-1.77935.486
110SS_G7G8:C13C14_SS-1.266-1.5223.071-0.97910.54434.189-3.8161.9392.5417.4241.61735.745
18SS_U4G5:C15A16_SS0.382-1.1333.381-0.45710.17230.125-3.898-0.7792.85118.9030.84931.761

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.