A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-May-2022 number of released structures: 12077
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NDB ID: 2L1F  PDB ID: 2L1F 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
111AA_A325A326:U335U336_AA-0.505-0.9893.009-0.44211.632.649-3.2240.7892.52819.8680.75734.598
112AA_A326C327:G334U335_AA0.569-1.0243.377-1.61124.73934.259-3.845-0.952.16636.6532.38742.069
114AB_A328C765:G332U333_AA-6.840.1622.799-31.255-15.66459.2180.954.5135.298-14.56729.06767.952
130AB_A362C731:G366U367_AA-6.342-0.0582.443-26.232-11.24675.0420.2714.224.115-8.93120.83279.533
12AA_C311G312:C350G351_AA0.129-0.8863.43-3.60521.38724.634-5.113-0.8262.01441.346.96832.71
14AA_C316C317:G347G348_AA0.438-0.2283.928-0.67422.35321.727-5.5-0.9712.59246.3451.39731.083
15AA_C317G318:C346G347_AA-0.072-0.7293.899-2.62315.29425.262-5.116-0.4922.97531.4675.39729.581
113AA_C327A328:U333G334_AA-0.411-1.9293.649-2.02330.88925.75-5.8860.3980.93251.0673.34440.063
124AA_C356C357:G372G373_AA-0.239-1.8713.171-0.44.3534.301-3.7760.3442.9217.3380.67534.569
125AA_C357U358:A371G372_AA0.208-1.9312.9451.5541.41130.322-3.934-0.122.8612.694-2.96630.393
11AA_G310C311:G351C352_AA0.449-0.0373.493-3.51432.24118.707-4.667-1.2041.760.4446.58837.314
13AA_G312G313:C349C350_AA-0.016-1.4714.12-0.25415.64832.839-4.919-0.0153.12425.9250.4236.285
16AA_G318G320:C345C346_AA-0.043-0.7793.6373.9224.13837.768-3.3550.4352.68433.368-5.41944.75
17AA_G320G321:C344C345_AA0.236-1.6994.0431.886-10.25231.733-0.7110.0024.373-18.147-3.33833.359
18AA_G321U322:A343C344_AA-0.925-2.2813.349-1.737-9.41431.097-2.2061.3083.9-17.063.14732.503
110AA_G324A325:U336C337_AA-0.596-2.0693.093-1.6442.93735.01-3.8290.7612.944.8682.72635.166
127AA_G359G360:C369C370_AA0.105-2.0163.014-1.0899.50232.88-4.684-0.3222.35216.3611.87434.206
128AA_G360G361:C368C369_AA-0.349-1.7623.248-0.56520.95135.718-4.4460.4431.96831.0840.83941.239
129AA_G361A362:U367C368_AA-0.249-1.4553.1510.84418.04522.892-6.1260.6461.59238.654-1.80729.087
19AA_U322G323:C342A343_AA0.645-1.6823.2032.4231.71737.579-2.82-0.6923.162.66-3.75537.692
126AA_U358G359:C370A371_AA0.252-1.3493.267-0.523.54732.909-2.952-0.5283.1056.2380.91533.098
121BB_A771G772:C757U758_BB-0.225-1.9192.996-1.4481.50130.366-3.9260.1662.9082.8622.7630.436
138BB_C711G712:C750G751_BB0.136-0.8943.451-3.48421.29724.628-5.153-0.8242.03141.2366.74532.635
140BB_C716C717:G747G748_BB0.366-0.2333.841-0.78322.17222.315-5.26-0.8482.57845.3481.60231.367
141BB_C717G718:C746G747_BB-0.011-0.7483.871-2.72615.4524.581-5.297-0.6512.89132.415.71829.096
131BB_C731G732:C365G366_AA-0.675-1.0463.162-4.79124.933.762-3.7650.4992.03537.0857.13642.001
115BB_C765G766:C331G332_AA0.389-1.3422.4923.07820.63334.848-3.479-0.3341.52431.236-4.65940.448
118BB_C768C769:G760G761_BB0.304-1.7743.2750.84319.49835.14-4.542-0.3592.05829.642-1.28140.046
119BB_C769C770:G759G760_BB-0.114-2.043.0271.6299.69532.549-4.7930.4142.33216.825-2.82633.963
120BB_C770A771:U758G759_BB-0.318-1.3043.3050.3694.25233.453-2.9280.6083.1177.35-0.63833.717
137BB_G710C711:G751C752_BB0.443-0.0373.552-3.50232.23518.803-4.735-1.21.73960.3186.55337.355
139BB_G712G713:C749C750_BB-0.02-1.4334.079-0.29515.08432.891-4.788-0.0163.14525.0640.49136.099
142BB_G718G720:C745C746_BB-0.092-0.7523.653.99223.97237.752-3.3280.5112.71133.188-5.52644.657
143BB_G720G721:C744C745_BB0.218-1.6754.1011.662-10.11332.099-0.691-0.0144.417-17.733-2.91433.655
144BB_G721U722:A743C744_BB-0.897-2.2623.347-1.6-9.43631.123-2.1721.2853.89-17.0872.89832.526
132BB_G732U733:A728C365_BA6.5440.382.91829.052-17.157.5161.279-4.4345.125-16.334-27.7565.931
134BB_G734U735:A726C727_BB-0.606-1.133.3160.38925.35734.088-3.9490.8772.03337.506-0.57642.261
116BB_G766U767:A762C331_BA6.437-0.0783.02224.12-11.36175.7980.305-4.2484.561-8.988-19.08479.681
122BB_G772G773:C756C757_BB0.207-1.8233.1390.1143.51634.029-3.616-0.3352.9425.987-0.19334.205
123BB_G773G774:C755C756_BB0.574-1.663.2612.54922.00233.812-4.575-0.5841.91133.718-3.90640.243
145BB_U722G723:C742A743_BB0.556-1.6083.232.2131.31137.589-2.657-0.5793.2012.031-3.42937.674
133BB_U733G734:C727A728_BB0.58-1.993.9072.02429.05128.676-5.998-0.6171.42246.255-3.22340.651
135BB_U735U736:A725A726_BB0.522-1.0043.0050.76212.43132.729-3.302-0.772.48321.13-1.29634.958
136BB_U736C737:G724A725_BB0.605-2.0763.1151.6372.24834.507-3.813-0.7813.0033.781-2.75434.615
117BB_U767C768:G761A762_BB0.07-1.5053.095-0.36816.70323.667-6.011-0.2061.68535.5950.78328.901

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.