A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 4-Dec-2019 number of released structures: 10490
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NDB ID: NA3319  PDB ID: 3X1U 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
11II_DA1DT2:DA291DT292_JJ0.605-0.6912.8441.9710.07934.214-1.184-0.7552.8710.134-3.34734.269
14II_DA4DA5:DT288DT289_JJ0.1370.2782.951-0.714.35439.107-0.056-0.2792.9616.4791.05739.346
15II_DA5DT6:DA287DT288_JJ-0.407-0.1062.782-0.3030.42625.752-0.3380.842.7840.9560.67925.757
17II_DA7DT8:DA285DT286_JJ0.580.1723.0213.742-9.12133.5021.571-0.4412.921-15.413-6.32334.883
111II_DA11DC12:DG281DT282_JJ-0.404-0.7783.65610.87-8.30632.7870.12.4673.446-13.98-18.29635.455
114II_DA17DG18:DC275DT276_JJ0.9261.0153.2294.8137.39635.4160.558-0.7883.45711.931-7.76436.465
116II_DA19DT20:DA273DT274_JJ-0.583-0.8023.2492.898-1.99630.484-1.1261.6673.226-3.78-5.48930.681
121II_DA24DC26:DG267DT269_JJ-0.0410.2796.16-0.4624.87566.953-0.1060.0046.1664.4130.41867.111
123II_DA27DA28:DT265DT266_JJ-0.067-0.1893.24-5.178-4.55738.0270.274-0.5343.222-6.9247.86738.624
124II_DA28DA29:DT264DT265_JJ-0.8530.0883.52-1.693-12.48943.1881.3370.9513.399-16.5512.24444.905
125II_DA29DA30:DT263DT264_JJ0.319-0.2593.5616.122-4.48235.1270.2860.4473.57-7.321-10.035.912
126II_DA30DG31:DC262DT263_JJ0.406-0.1953.948-0.1866.50734.331-1.507-0.7113.84510.9020.31234.924
131II_DA35DT36:DA257DT258_JJ-0.17-1.2613.127-0.849-4.24429.22-1.5860.1563.277-8.3551.67129.532
136II_DA41DA43:DT250DT252_JJ0.4910.2166.58-3.26422.92764.008-1.601-0.6976.30920.9252.97967.647
137II_DA43DC44:DG249DT250_JJ1.078-1.1353.667-10.09413.4326.994-4.535-3.822.32425.83719.4231.712
145II_DA51DT52:DA241DT242_JJ-0.785-0.0892.923-5.4226.23641.853-0.6920.5842.9558.6297.50242.625
148II_DA54DA55:DT238DT239_JJ-0.7470.5683.4719.183.07720.4450.2975.3452.928.108-24.18922.6
149II_DA55DA56:DT237DT238_JJ0.850.8023.0442.09911.50338.504-0.107-1.0053.18616.972-3.09740.176
150II_DA56DA57:DT236DT237_JJ0.3461.23.4624.427-0.23545.551.566-0.0353.473-0.303-5.70245.753
151II_DA57DG58:DC235DT236_JJ1.0711.9683.4186.598-5.95129.7274.856-0.7033.135-11.286-12.51230.998
155II_DA61DT62:DA231DT232_JJ-0.357-0.1613.3723.27912.6440.519-1.5330.8333.15117.704-4.59342.487
161II_DA67DG68:DC225DT226_JJ1.2491.2743.6073.878-7.80841.4512.632-1.33.421-10.887-5.40642.318
165II_DA72DA73:DT220DT221_JJ0.181-0.1243.466-4.2465.59335.282-1.042-0.9313.3649.1166.92135.953
166II_DA73DT74:DA219DT220_JJ0.204-0.733.15-2.6358.03428.047-3.063-0.9342.80716.125.28629.269
170II_DA77DG78:DC215DT216_JJ1.3351.0513.02-0.269-0.55635.731.786-2.2112.994-0.9060.43935.735
175II_DA82DA83:DT210DT211_JJ0.042-0.1792.944-3.2769.06534.517-1.458-0.492.79414.925.39135.798
176II_DA83DC84:DG209DT210_JJ0.195-0.5592.967-0.963.53927.437-1.935-0.6162.8667.4192.01327.677
178II_DA85DT86:DA207DT208_JJ-0.0560.1423.216-4.8145.13836.75-0.446-0.5393.1888.0597.55137.395
188II_DA95DT96:DA197DT198_JJ0.075-0.1713.3463.2370.71134.589-0.3980.383.3351.193-5.42934.743
192II_DA99DG100:DC193DT194_JJ1.7531.5312.816-2.103-6.29841.6552.657-2.6132.482-8.7892.93442.158
195II_DA102DG103:DC190DT191_JJ-1.1410.5983.327-11.66418.81333.079-1.6050.1413.39629.31718.17739.629
1102II_DA109DA110:DT183DT184_JJ0.64-0.6393.053-9.0716.89330.9-2.176-2.5072.57112.4216.34432.885
1103II_DA110DA111:DT182DT183_JJ0.078-0.4133.592-2.662-8.03134.1210.652-0.5733.579-13.4324.45335.124
1104II_DA111DT112:DA181DT182_JJ-0.529-0.843.514-0.086-9.25534.3220.1250.8533.614-15.340.14235.511
1106II_DA113DC114:DG179DT180_JJ0.163-0.3673.2060.3596.70129.487-2.021-0.2423.05212.954-0.69430.225
1108II_DA115DC116:DG177DT178_JJ0.6090.2162.52-14.8037.04825.508-0.634-3.371.88814.2429.9130.249
1116II_DA126DA127:DT166DT167_JJ-0.12-0.2083.382.942-5.6143.7780.2660.4443.366-7.477-3.92144.212
1117II_DA127DC129:DG164DT166_JJ-0.189-1.3195.831-6.495.29557.261-1.866-0.425.6895.4926.73257.819
1122II_DA133DG134:DC159DT160_JJ0.7340.1572.804-8.31613.20734.296-1.211-2.0552.46321.09613.28337.583
1127II_DA139DT140:DA153DT154_JJ-0.732-0.2513.331-5.347-14.00930.4581.9570.3453.218-24.8629.4933.87
1131II_DA145DT146:DA147DT148_JJ-1.213-1.5122.634-3.5594.10637.045-2.7871.5172.566.425.56537.428
13II_DC3DA4:DT289DG290_JJ-1.2081.1133.536-0.8826.95539.9650.7421.6343.69610.0811.27940.551
19II_DC9DC10:DG283DG284_JJ0.8990.4612.8581.4149.87827.91-0.99-1.4882.8919.7-2.82129.607
110II_DC10DA11:DT282DG283_JJ-1.9480.6352.776-21.15111.82727.94-0.743-0.0443.41820.32636.3536.826
112II_DC12DC13:DG280DG281_JJ0.671-0.494.086-5.29224.58136.164-3.489-1.5093.05634.8987.51343.805
113II_DC16DA17:DT276DG277_JJ1.6022.5553.817-4.077-12.07341.2894.711-2.5972.833-16.655.62343.128
119II_DC22DT23:DA270DG271_JJ-0.2530.1433.2432.5215.76932.308-2.0280.7712.96826.42-4.22235.944
122II_DC26DA27:DT266DG267_JJ-0.3771.8623.379-9.651-15.99245.3053.423-0.252.642-19.79811.94848.816
138II_DC44DT45:DA248DG249_JJ-1.213-0.1683.814.238-2.09630.6510.1473.2023.617-3.935-7.95831.005
141II_DC47DT48:DA245DG246_JJ-1.2361.4453.315-3.422-7.68346.3282.4381.2693.13-9.6724.30847.044
143II_DC49DC50:DG243DG244_JJ-0.5180.6253.495-14.6415.29427.323-1.715-1.7783.27627.70726.52134.442
144II_DC50DA51:DT242DG243_JJ-0.3950.7533.54.70512.80430.627-1.0391.5493.43822.871-8.40533.461
147II_DC53DA54:DT239DG240_JJ1.0770.9333.8261.92118.12429.872-1.926-1.4283.82131.718-3.36234.884
154II_DC60DA61:DT232DG233_JJ-0.2110.4513.3252.4546.45825.014-0.8351.1693.314.558-5.53325.936
160II_DC66DA67:DT226DG227_JJ-1.1991.1983.2581.9-4.89246.9981.8811.6463.078-6.112-2.37447.274
163II_DC69DG71:DC222DG224_JJ1.3412.1566.656-3.10711.18973.9941.061-1.3026.8269.2412.56674.771
169II_DC76DA77:DT216DG217_JJ-0.7171.543.594-1.3632.94243.2561.7650.8223.7053.9841.84643.372
172II_DC79DT80:DA213DG214_JJ0.5141.2163.5612.37-6.19735.4292.902-0.4733.334-10.074-3.85336.025
177II_DC84DA85:DT208DG209_JJ0.0780.8153.7375.5058.4432.843-0.1760.8843.78914.507-9.46234.313
181II_DC88DC89:DG204DG205_JJ0.7280.6983.3954.518-6.90241.6561.69-0.5313.302-9.593-6.2842.43
182II_DC89DT90:DA203DG204_JJ-0.8671.6883.3951.087-11.74840.653.5071.3112.801-16.496-1.52642.258
194II_DC101DA102:DT191DG192_JJ2.0681.8693.998.788.5740.4221.41-1.6584.60912.071-12.36742.168
1100II_DC107DC108:DG185DG186_JJ-1.1160.6862.4622.587-3.2932.2761.6432.3212.289-5.887-4.6332.539
1101II_DC108DA109:DT184DG185_JJ0.4762.253.537.496-14.35154.0793.208-0.0752.931-15.4-8.04356.276
1107II_DC114DA115:DT178DG179_JJ-0.5090.2834.0217.80516.50635.619-1.6332.8753.26423.875-25.75442.884
1109II_DC116DT118:DA175DG177_JJ-0.6860.2527.233-9.2-7.4371.5290.76-0.0967.213-6.3147.81772.371
1118II_DC129DT130:DA163DG164_JJ-1.4462.4413.0562.098-16.06547.5513.8291.8322.116-19.282-2.51950.083
1121II_DC132DA133:DT160DG161_JJ0.1372.3464.0081.31913.07537.7871.4070.0044.54519.482-1.96539.928
115II_DG18DA19:DT274DC275_JJ-0.5520.1743.159-7.821-3.88138.2620.714-0.0943.175-5.82911.74539.21
127II_DG31DT32:DA261DC262_JJ-0.138-0.2982.88413.2810.5526.512-2.2592.4052.28920.547-25.86431.391
129II_DG33DT34:DA259DC260_JJ-0.465-0.5723.2071.4391.50631.693-1.3141.1073.1532.754-2.63131.76
135II_DG40DA41:DT252DC253_JJ-0.9420.9933.7968.7558.6141.6790.3692.2663.66111.797-11.99543.373
140II_DG46DC47:DG246DC247_JJ-0.3081.1623.067-3.6242.95637.4581.4310.0293.1614.5815.61637.739
152II_DG58DG59:DC234DC235_JJ0.8920.9123.059-9.3170.71144.9411.114-1.8822.8430.91812.03445.853
153II_DG59DC60:DG233DC234_JJ-0.130.8873.3951.384-7.36241.3342.0150.3283.192-10.327-1.94141.979
157II_DG63DT64:DA229DC230_JJ-0.328-0.4253.084-4.9363.73227.469-1.699-0.4173.0137.73610.2328.144
162II_DG68DC69:DG224DC225_JJ-0.2391.1983.1975.643-9.56734.8443.1371.1042.715-15.497-9.14136.52
164II_DG71DA72:DT221DC222_JJ-0.96-0.253.4532.2878.31630.53-2.0452.1953.19715.411-4.23731.697
171II_DG78DC79:DG214DC215_JJ-1.6091.7333.38-9.037-11.29538.5673.721.2913.063-16.41413.13341.093
174II_DG81DA82:DT211DC212_JJ-0.506-0.0323.8348.7110.62132.44-1.8872.343.41518.037-14.79135.156
180II_DG87DC88:DG205DC206_JJ-1.9170.0434.216-1.628-10.2933.0392.142.8974.107-17.5582.77834.599
187II_DG94DA95:DT198DC199_JJ-0.33-0.2012.945-14.2925.79927.189-1.394-1.8992.68711.2627.7531.187
190II_DG97DG98:DC195DC196_JJ0.5780.2573.72216.06311.95929.249-1.711.9123.43920.88-28.04735.324
191II_DG98DA99:DT194DC195_JJ-1.0132.3373.441-5.055-2.74944.0783.3560.8493.387-3.6456.70244.434
193II_DG100DC101:DG192DC193_JJ-1.2830.6792.6077.4060.75728.5071.2143.7142.2271.505-14.72429.444
196II_DG103DT104:DA189DC190_JJ-0.526-0.7262.5464.111.0724.65-1.9182.1442.3942.484-9.53625.008
1113II_DG121DG122:DC171DC172_JJ-0.2090.142.498-6.7312.35737.837-0.013-0.3282.5013.59610.26838.479
1114II_DG122DT123:DA170DC171_JJ-0.246-0.4562.9964.3730.81726.372-1.1791.5652.9031.775-9.526.738
1115II_DG125DA126:DT167DC168_JJ0.037-0.8153.344-8.1240.99734.367-1.495-1.2863.2281.65913.51235.3
1120II_DG131DC132:DG161DC162_JJ0.430.6782.416-10.93-2.02730.9561.446-2.0952.1-3.65419.69832.846
1123II_DG134DG135:DC158DC159_JJ-1.795-0.7163.3910.23519.5629.345-4.0443.0062.44334.235-0.41135.148
1124II_DG135DG137:DC156DC158_JJ1.151.6946.9198.8883.13268.7511.245-0.3177.0662.761-7.83369.315
1125II_DG137DG138:DC155DC156_JJ-1.3970.9652.9652.3459.81629.4310.0343.0293.00618.643-4.45331.077
1126II_DG138DA139:DT154DC155_JJ-0.1620.1113.687-7.8085.75237.561-0.634-0.8433.6268.75611.88638.749
1130II_DG144DA145:DT148DC149_JJ0.103-0.5843.101-5.73111.60537.002-2.157-0.7882.75717.6368.7139.125
12II_DT2DC3:DG290DA291_JJ1.3820.1443.2591.1646.40132.642-0.825-2.2193.27311.249-2.04633.267
16II_DT6DA7:DT286DA287_JJ-0.0910.0443.736-1.5860.22639.9590.035-0.0753.7370.332.3239.99
18II_DT8DC9:DG284DA285_JJ0.46-0.0093.4564.15712.17438.245-1.483-0.1663.33217.971-6.13740.274
117II_DT20DT21:DA272DA273_JJ0.499-0.6683.7963.2263.20137.816-1.494-0.2913.7574.917-4.95538.078
118II_DT21DC22:DG271DA272_JJ0.208-0.0033.342-1.4871.04939.184-0.132-0.4913.3311.5632.21639.224
120II_DT23DA24:DT269DA270_JJ-0.4730.7333.637-5.5694.10537.7310.534-0.0693.7236.2838.52438.337
128II_DT32DG33:DC260DA261_JJ1.0040.8113.532-11.93318.06737.088-0.88-2.6943.14225.88317.09642.753
130II_DT34DA35:DT258DA259_JJ0.513-0.7733.817-2.295-6.6436.353-0.162-1.1743.856-10.5223.63737.003
132II_DT36DT37:DA256DA257_JJ-0.39-0.2952.74311.224-6.68137.6870.2121.6562.544-9.982-16.77139.808
133II_DT37DT38:DA255DA256_JJ-0.2070.7153.4355.85-5.26544.7081.4110.8053.284-6.858-7.62145.361
134II_DT38DG40:DC253DA255_JJ1.4142.0516.243-12.284-2.07564.1852.062-2.2625.856-1.93311.44765.256
139II_DT45DG46:DC247DA248_JJ0.2021.3222.5463.091-2.11135.9382.3610.012.475-3.41-4.99336.126
142II_DT48DC49:DG244DA245_JJ1.1521.2662.7259.254-3.92136.6332.377-0.7582.779-6.099-14.39437.941
146II_DT52DC53:DG240DA241_JJ0.128-0.3313.322-1.6178.95523.243-3.437-0.7782.97521.2123.83124.938
156II_DT62DG63:DC230DA231_JJ0.0841.0493.542-2.365.0633.5290.899-0.5613.6428.6964.05633.978
158II_DT64DT65:DA228DA229_JJ0.136-0.3823.0543.528.59431.135-2.0750.3262.84915.582-6.38232.458
159II_DT65DC66:DG227DA228_JJ1.2570.083.6161.631.52529.45-0.204-2.0793.6782.994-3.229.533
167II_DT74DT75:DA218DA219_JJ-0.389-0.1423.1946.4632.24234.047-0.5691.6073.0563.781-10.90134.708
168II_DT75DC76:DG217DA218_JJ0.133-0.0023.751-0.3326.83532.756-1.298-0.2953.67411.9580.58133.444
173II_DT80DG81:DC212DA213_JJ-0.360.7813.348-10.271-3.01542.2121.355-0.5373.283-4.10813.99343.488
179II_DT86DG87:DC206DA207_JJ1.1930.4133.076-5.846-2.66135.5481.008-2.6752.814-4.3159.47936.106
183II_DT90DT91:DA202DA203_JJ-0.1270.383.2760.1117.14135.235-0.4170.2213.28811.649-0.18135.929
184II_DT91DT92:DA201DA202_JJ0.3220.5643.025-4.51312.00234.623-0.654-1.0912.98819.3647.28236.852
185II_DT92DT93:DA200DA201_JJ0.0320.3653.7550.10511.38326.532-2.249-0.0383.60323.476-0.21628.83
186II_DT93DG94:DC199DA200_JJ0.3260.3413.6179.36320.09526.742-3.0451.1383.09436.503-17.00834.607
189II_DT96DG97:DC196DA197_JJ0.5360.7722.9483.153-1.73236.8681.425-0.4632.945-2.73-4.97137.037
197II_DT104DT105:DA188DA189_JJ0.114-0.1683.7920.04114.89935.924-2.355-0.1653.45922.977-0.06338.797
198II_DT105DT106:DA187DA188_JJ-0.013-0.0583.1817.1926.82730.331-1.3151.2973.01512.63-13.30631.874
199II_DT106DC107:DG186DA187_JJ1.5130.8283.685-3.7142.00833.7831.06-3.2413.5453.4386.36134.038
1105II_DT112DA113:DT180DA181_JJ-0.311-0.693.71-2.4736.22239.161-1.8290.1353.5769.2013.65839.707
1110II_DT118DT119:DA174DA175_JJ-0.4010.193.325.194-9.11740.9911.2021.0913.138-12.768-7.27442.257
1111II_DT119DT120:DA173DA174_JJ-0.1450.9723.2655.544-14.20247.5642.150.5612.85-17.103-6.67649.812
1112II_DT120DG121:DC172DA173_JJ0.5991.7853.283-1.5174.13236.8862.235-1.1493.436.5012.38837.139
1119II_DT130DG131:DC162DA163_JJ0.1183.4413.5316.8265.24443.1644.0280.583.8787.044-9.16943.974
1128II_DT140DT142:DA151DA153_JJ1.5490.3246.5311.2387.34473.931-0.192-0.5716.6796.058-9.2774.968
1129II_DT142DG144:DC149DA151_JJ-1.8790.5076.0733.01626.61268.971-1.2011.7575.84822.66-2.56873.384

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.