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: 1QD3  PDB ID: 1QD3 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
14AA_A20G21:C41U42_AA0.417-1.9042.8890.76916.07131.696-4.904-0.61.75927.332-1.30835.452
16AA_A22G26:C39U40_AA-0.758-2.0953.117-8.2719.23758.271-2.5430.3782.8599.378.3959.462
18AA_A27G28:C37U38_AA-0.35-1.6943.0021.2566.324.16-5.5111.1272.46614.721-2.93624.987
12AA_C18C19:G43G44_AA0.944-2.5432.7599.26128.60327.459-5.513-0.7670.34246.171-14.94840.503
13AA_C19A20:U42G43_AA1.25-1.6263.558-1.191-15.90234.962-0.101-2.0813.872-24.9291.86738.323
110AA_C29C30:G34G36_AA2.3820.2323.881-10.17913.08752.339-0.641-3.2863.36414.43111.22454.725
11AA_G17C18:G44C45_AA-1.543-1.6693.2681.8417.02414.478-10.2136.6012.0325.853-6.77716.188
15AA_G21A22:U40C41_AA-0.548-0.6492.720.47211.60413.473-7.3031.9871.62940.891-1.66417.77
17AA_G26A27:U38C39_AA1.271-1.4672.8151.667.95144.503-2.498-1.532.57310.395-2.1745.201
19AA_G28C29:G36C37_AA-0.36-2.6763.13-1.656-1.49327.109-5.3220.3583.286-3.1793.52527.199

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.