A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-Dec-2019 number of released structures: 10507
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NDB ID: 1AKX  PDB ID: 1AKX 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
15AA_A20G21:C41U42_AA0.367-1.683.5523.927-11.05735.116-0.9040.0413.905-17.725-6.29636.965
17AA_A22G26:C39U40_AA-2.25-1.5552.756-5.001-0.80346.077-1.9162.4852.996-1.0226.36646.34
19AA_A27G28:C37U38_AA0.101-1.6522.731-3.079-6.42331.388-1.966-0.6692.979-11.6845.60232.167
13AA_C18C19:G43G44_AA0.287-2.1062.862-1.0194.66828.961-4.984-0.7472.4889.2542.02129.344
14AA_C19A20:U42G43_AA0.048-1.7762.974-4.034-0.59235.939-2.785-0.5972.979-0.9566.51236.162
11AA_G16G17:C45C46_AA0.224-1.0572.766-4.9012.57432.677-2.212-1.0772.6174.5358.63333.13
12AA_G17C18:G44C45_AA-0.146-1.9112.7871.484-1.51533.444-3.0990.4642.86-2.629-2.57533.51
16AA_G21A22:U40C41_AA-0.498-1.8263.2671.286-8.6235.646-1.6480.9793.578-13.828-2.06436.662
18AA_G26A27:U38C39_AA0.099-2.0352.772-0.695-4.77828.889-3.099-0.333.058-9.4931.3829.281
110AA_G28C29:G36C37_AA0.315-1.5083.1254.288-2.47240.303-1.9050.0113.224-3.572-6.19440.593

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.