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: NA3318  PDB ID: 3X1T 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
13II_DA4DA5:DT288DT289_JJ-0.4060.0473.387-0.7382.23334.788-0.2730.5613.3913.7291.23234.865
14II_DA5DT6:DA287DT288_JJ0.025-0.8622.931-0.1640.25427.614-1.861-0.0882.9220.5310.34327.616
16II_DA7DT8:DA285DT286_JJ0.094-1.0633.185-0.064-4.25631.326-1.167-0.1853.297-7.8360.11931.606
110II_DA11DC12:DG281DT282_JJ-0.259-0.6683.201-3.2641.64529.812-1.619-0.1563.173.1826.31430.03
116II_DA17DG18:DC275DT276_JJ1.06-0.0773.4123.0767.65328.288-1.883-1.3913.36915.254-6.1329.442
120II_DA24DC25:DG268DT269_JJ0.2820.1473.542-11.422-3.03430.0190.842-2.6843.195-5.59221.05332.212
123II_DA27DA28:DT265DT266_JJ-0.20.2582.914-4.708-0.67331.5830.579-0.4012.907-1.2288.58831.93
124II_DA28DA29:DT264DT265_JJ-0.440.3773.42-5.318-11.37342.7671.5920.0693.252-15.2097.11144.489
125II_DA29DA30:DT263DT264_JJ0.547-0.3153.2431.972.29937.11-0.797-0.5973.2423.605-3.08937.229
126II_DA30DG31:DC262DT263_JJ-0.749-0.3493.550.6947.55432.454-1.9581.4323.36913.29-1.22133.305
131II_DA35DT36:DA257DT258_JJ-0.31-0.5313.196-4.582-4.85331.41-0.092-0.263.251-8.8398.34632.094
137II_DA41DA42:DT251DT252_JJ-0.230.4993.9651.88325.82429.312-3.2850.643.32442.145-3.07338.922
138II_DA42DC44:DG249DT251_JJ0.713-0.6315.854-9.18213.77351.8-2.177-1.7725.35115.32610.21754.206
146II_DA51DT52:DA241DT242_JJ-0.994-0.5633.2160.2769.19127.685-3.0382.0322.87518.57-0.55729.144
149II_DA54DA55:DT238DT239_JJ-0.1150.5963.127-2.8854.80319.608-0.429-0.9443.16513.7448.25620.385
150II_DA55DA56:DT237DT238_JJ-0.0510.6962.769-2.0211.12843.1660.023-0.0962.85414.8242.69144.554
151II_DA56DA57:DT236DT237_JJ0.5740.8063.4681.66-9.645.1331.885-0.5853.259-12.337-2.13446.119
152II_DA57DG58:DC235DT236_JJ1.1911.7264.29310.89-12.62834.4154.694-0.0533.663-19.958-17.2138.132
156II_DA61DT62:DA231DT232_JJ-0.309-0.5612.822-4.3518.24731.816-2.163-0.082.61714.6557.73233.121
162II_DA67DG68:DC225DT226_JJ1.380.7173.213-0.024-2.1633.1341.607-2.4183.16-3.7820.04233.203
167II_DA72DA73:DT220DT221_JJ-0.386-0.1213.4711.4398.69435.336-1.4710.833.33214.054-2.32736.385
168II_DA73DT74:DA219DT220_JJ-0.307-0.4183.0880.1229.44829.724-2.4470.5932.82417.857-0.23131.157
172II_DA77DG78:DC215DT216_JJ0.990.8333.2691.989-2.92334.5121.845-1.3573.239-4.912-3.34134.687
177II_DA82DA83:DT210DT211_JJ0.0680.2653.4590.09610.69835.649-1.112-0.0933.39617.008-0.15337.17
178II_DA83DC84:DG209DT210_JJ0.2-0.6123.1790.5366.59228.127-2.622-0.2882.96513.331-1.08428.879
180II_DA85DT86:DA207DT208_JJ-0.154-0.5283.1651.6917.24530.541-2.2640.5852.95213.503-3.15231.414
190II_DA95DT96:DA197DT198_JJ0.123-0.2362.99-0.8371.5734.297-0.624-0.3292.9732.661.41834.341
194II_DA99DG100:DC193DT194_JJ2.020.7092.725-3.66-3.85829.4641.998-4.5052.352-7.5087.12429.929
197II_DA102DG103:DC190DT191_JJ-1.5480.3913.64-2.8829.65143.822-0.4851.7293.73112.7323.80144.909
1104II_DA109DA110:DT183DT184_JJ0.140.1023.184-3.603-0.35640.6360.185-0.5863.16-0.5115.17640.79
1105II_DA110DA111:DT182DT183_JJ-0.333-0.2183.071-1.8-5.83232.6020.5480.2973.076-10.2773.17133.153
1106II_DA111DT112:DA181DT182_JJ0.17-0.4843.3035.003-4.09934.641-0.1760.483.328-6.811-8.31235.221
1108II_DA113DC114:DG179DT180_JJ-0.062-0.012.8694.1567.1830.122-1.2150.8082.76113.497-7.81331.218
1110II_DA115DC116:DG177DT178_JJ0.454-0.1482.9121.781-0.61333.224-0.168-0.5282.934-1.071-3.11233.276
1119II_DA126DA127:DT166DT167_JJ-0.106-0.013.024-1.4776.01137.033-0.742-0.0142.9889.3832.30537.529
1120II_DA127DT128:DA165DT166_JJ-0.101-0.2893.226-8.8-5.82333.720.385-1.1363.157-9.74614.72835.287
1126II_DA133DG134:DC159DT160_JJ0.227-0.6263.3562.85211.1931.018-2.9930.0832.96820.072-5.11633.048
1132II_DA139DT140:DA153DT154_JJ-0.424-1.33.569-3.922-7.12822.206-0.407-0.4863.813-17.7579.77223.632
1134II_DA141DT142:DA151DT152_JJ0.519-0.5123.0450.3721.423.588-1.682-1.1513.0173.422-0.9123.632
12II_DC3DA4:DT289DG290_JJ-0.4460.9543.409-2.3469.35737.0670.1820.3613.55814.4223.61638.26
18II_DC9DC10:DG283DG284_JJ-0.1840.9092.9174.9088.94430.3830.151.1562.99316.492-9.04932.012
19II_DC10DA11:DT282DG283_JJ-0.7410.4553.946-8.41317.18934.253-1.953-0.1813.82226.75613.09539.097
111II_DC12DC13:DG280DG281_JJ0.799-0.8863.59-2.04514.19530.259-3.975-1.742.84425.4733.66933.414
112II_DC13DT14:DA279DG280_JJ-0.2160.1813.55-0.09514.97433.769-1.9530.3283.33324.3460.15436.852
115II_DC16DA17:DT276DG277_JJ1.4242.7423.865-4.501-6.21342.4614.405-2.4253.29-8.4956.15443.117
118II_DC22DT23:DA270DG271_JJ0.38-0.0793.7542.7818.81623.827-3.0740.0543.52120.396-6.43525.533
121II_DC25DC26:DG267DG268_JJ-0.3520.5512.8578.407-3.69641.331.0881.2252.682-5.159-11.73742.295
122II_DC26DA27:DT266DG267_JJ-0.3212.5273.7490.838-14.59149.613.9410.4292.94-16.969-0.97551.588
139II_DC44DT45:DA248DG249_JJ-0.2790.0553.665-4.2675.61434.643-0.845-0.2513.6379.3097.07435.332
142II_DC47DT48:DA245DG246_JJ0.1511.7983.1853.38-12.79634.6914.3470.1632.4-20.557-5.42937.057
144II_DC49DC50:DG243DG244_JJ-0.8870.2873.303-9.1899.62130.448-1.219-0.0913.3617.31716.54133.165
145II_DC50DA51:DT242DG243_JJ0.3650.3423.26-0.67810.71831.163-1.252-0.7623.19219.2481.21832.918
148II_DC53DA54:DT239DG240_JJ0.0860.5973.6556.51624.29918.745-4.5351.3542.68552.037-13.95431.282
155II_DC60DA61:DT232DG233_JJ-0.5340.6153.6762.0779.69635.612-0.5291.1653.67715.486-3.31836.923
161II_DC66DA67:DT226DG227_JJ-1.8851.873.725-4.948-2.99839.5433.1352.1033.778-4.4037.26739.947
164II_DC69DT70:DA223DG224_JJ0.2611.043.453.6090.03439.3851.5340.0633.4610.05-5.34139.544
171II_DC76DA77:DT216DG217_JJ-0.6221.8783.737-2.041-4.81847.0232.7790.593.561-6.0172.54947.297
174II_DC79DT80:DA213DG214_JJ1.3341.0143.3857.352-4.73637.892.133-1.063.429-7.178-11.14138.85
179II_DC84DA85:DT208DG209_JJ-0.1620.5043.587-1.095.81934.381-0.1390.0873.6259.7541.82834.872
183II_DC88DC89:DG204DG205_JJ0.8431.2454.152-0.957-5.80141.1252.522-1.3163.929-8.2071.35341.525
184II_DC89DT90:DA203DG204_JJ-0.8621.2583.391.47-10.52339.7862.9151.3842.946-15.138-2.11541.125
196II_DC101DA102:DT191DG192_JJ1.2560.9253.6739.3272.86731.9561.044-0.3453.945.061-16.46833.375
1102II_DC107DC108:DG185DG186_JJ-1.6531.2162.6690.043-5.3338.0392.3742.5172.48-8.129-0.06538.396
1103II_DC108DA109:DT184DG185_JJ-0.2811.7493.7315.375-8.60941.8513.3090.963.267-11.843-7.39443.01
1109II_DC114DA115:DT178DG179_JJ0.2520.233.3221.40316.57230.016-2.33-0.1973.04229.337-2.48334.223
1111II_DC116DT117:DA176DG177_JJ0.019-0.123.841.3267.57534.952-1.4750.1923.73212.426-2.17535.763
1122II_DC129DT130:DA163DG164_JJ-1.9581.0722.9855.247-14.69342.9462.4572.9112.278-19.323-6.90145.566
1125II_DC132DA133:DT160DG161_JJ0.271.6283.504-1.92513.21735.070.521-0.7143.83121.0153.06137.453
114II_DG15DC16:DG277DC278_JJ-0.2031.4132.4612.289-6.26442.9992.2481.0572.113-8.295-16.27345.057
117II_DG18DA19:DT274DC275_JJ-0.6770.2423.6351.496-3.50242.9290.7111.0843.581-4.774-2.03943.089
127II_DG31DT32:DA261DC262_JJ-0.056-0.4693.0970.3948.82627.709-2.730.1912.81617.863-0.79829.057
129II_DG33DT34:DA259DC260_JJ-0.269-0.0753.1141.6393.30928.35-0.8640.8973.0666.721-3.32828.584
135II_DG39DG40:DC253DC254_JJ-0.0960.5453.135-3.1557.72527.381-0.62-0.5093.15915.8596.47728.601
136II_DG40DA41:DT252DC253_JJ-0.7691.2963.3481.4096.16242.9671.1261.1823.4678.358-1.91143.408
141II_DG46DC47:DG246DC247_JJ-0.7580.4583.184-0.8677.45533.593-0.381.1473.22612.7031.47734.398
153II_DG58DG59:DC234DC235_JJ0.3910.9983.5892.7029.22938.0870.233-0.2153.73913.874-4.06239.239
154II_DG59DC60:DG233DC234_JJ0.2610.5942.872-6.492-4.90639.571.337-1.0092.708-7.1559.46840.365
158II_DG63DT64:DA229DC230_JJ-0.596-0.2293.114-0.1136.17129.127-1.6671.1383.00512.10.22129.76
163II_DG68DC69:DG224DC225_JJ-0.6571.0463.644-0.778-11.66342.9032.5490.7923.276-15.6021.04144.394
166II_DG71DA72:DT221DC222_JJ-0.581-0.0013.015-2.2187.44428.725-1.4520.72.95614.6694.3729.736
173II_DG78DC79:DG214DC215_JJ-1.1221.2523.749-6.04-8.69739.8682.8450.8553.537-12.4898.67441.195
176II_DG81DA82:DT211DC212_JJ-0.6020.2653.046-0.1685.02731.446-0.3791.0693.0539.2020.30831.836
182II_DG87DC88:DG205DC206_JJ-1.1760.5893.5170.751-13.68442.5672.0931.6213.172-18.29-1.00444.621
189II_DG94DA95:DT198DC199_JJ-0.52-0.2993.212-6.748.65726.625-2.524-0.4493.00917.86513.90828.759
192II_DG97DG98:DC195DC196_JJ0.9770.7163.0784.0385.9535.0010.328-1.0233.2429.766-6.62835.71
193II_DG98DA99:DT194DC195_JJ-1.831.7243.804-1.013-8.02446.1752.9192.2073.512-10.141.2846.839
195II_DG100DC101:DG192DC193_JJ-1.186-0.0383.438-5.8412.7235.643-0.4741.0223.5694.49.44636.202
198II_DG103DT104:DA189DC190_JJ0.285-0.4412.575-1.4336.76124.356-2.513-0.972.34815.6273.31325.303
1116II_DG121DG122:DC171DC172_JJ-0.3290.3612.694-8.876-7.25341.9941.068-0.2662.613-9.90112.11643.462
1117II_DG122DT123:DA170DC171_JJ0.288-0.3063.8296.066-1.86136.753-0.1870.4993.837-2.925-9.53337.278
1118II_DG125DA126:DT167DC168_JJ0.013-0.3964.327-3.593-3.94338.9930.034-0.5854.328-5.8735.35239.342
1124II_DG131DC132:DG161DC162_JJ-0.1691.4972.393-8.235-7.63736.2932.98-0.472.038-11.91412.84737.935
1127II_DG134DG135:DC158DC159_JJ-0.32-0.3693.479-5.36614.07335.295-2.426-0.2223.12822.0158.39438.28
1128II_DG135DT136:DA157DC158_JJ0.8320.4372.9924.976-3.91329.8861.551-0.6633.008-7.482-9.51430.534
1130II_DG137DG138:DC155DC156_JJ-0.1050.3653.152-8.1867.40630.212-0.647-1.2543.07813.6515.08732.121
1131II_DG138DA139:DT154DC155_JJ-0.5840.6652.81-2.9412.24747.2910.6690.5192.8662.7963.6647.427
1137II_DG144DT146:DA147DC149_JJ-1.435-2.264.901-2.5264.45271.286-2.161.1014.8133.8152.16571.445
11II_DT2DC3:DG290DA291_JJ0.6030.2922.8939.674-0.33935.0570.5110.2622.948-0.55-15.69436.328
15II_DT6DA7:DT286DA287_JJ0.189-0.1383.7312.87-5.3442.9940.4070.0643.726-7.242-3.89343.399
17II_DT8DC9:DG284DA285_JJ1.214-0.2963.1259.7563.13834.585-0.926-0.5733.2975.14-15.9836.027
113II_DT14DG15:DC278DA279_JJ0.1932.1193.0392.39-6.98138.9913.837-0.042.643-10.347-3.54239.656
119II_DT23DA24:DT269DA270_JJ0.0981.0193.711-9.5287.78635.280.391-1.6243.69912.39115.16237.3
128II_DT32DG33:DC260DA261_JJ0.7230.8223.586-0.49815.233.036-1.137-1.2423.625.140.82436.28
130II_DT34DA35:DT258DA259_JJ-0.1280.0934.022-6.7288.22341.458-0.892-0.6583.94411.3929.32142.739
132II_DT36DT37:DA256DA257_JJ-0.418-0.1653.0047.428-8.09533.7180.8151.6852.816-13.518-12.40335.413
133II_DT37DT38:DA255DA256_JJ-0.4171.0623.3242.101-4.74345.5391.7750.7173.182-6.103-2.70445.818
134II_DT38DG39:DC254DA255_JJ1.2321.8493.236-1.6431.26836.9032.748-2.1623.2392.02.59336.959
140II_DT45DG46:DC247DA248_JJ1.1042.3983.3776.86-4.74249.7893.159-0.7963.266-5.587-8.08250.438
143II_DT48DC49:DG244DA245_JJ0.120.8572.8966.1738.74443.3890.3950.3592.99511.617-8.20244.628
147II_DT52DC53:DG240DA241_JJ1.0160.7733.116-0.2382.78235.9460.871-1.6743.1584.4990.38536.05
157II_DT62DG63:DC230DA231_JJ0.3220.633.887-0.9316.22934.959-0.064-0.6923.92810.2661.53535.505
159II_DT64DT65:DA228DA229_JJ0.7680.2663.0065.4668.91931.291-0.976-0.4683.05315.986-9.79732.952
160II_DT65DC66:DG227DA228_JJ1.3390.9063.1281.7145.34136.9830.721-1.8663.288.36-2.68237.392
165II_DT70DG71:DC222DA223_JJ1.0071.3023.35-0.4693.33337.4251.57-1.6273.4375.1820.72937.571
169II_DT74DT75:DA218DA219_JJ0.117-0.3083.336-1.3046.88329.454-1.995-0.493.17713.3022.5230.257
170II_DT75DC76:DG217DA218_JJ-0.1720.4823.0620.3486.20229.428-0.2810.3993.09412.04-0.67630.063
175II_DT80DG81:DC212DA213_JJ-0.4851.3633.235-2.6596.24939.771.2540.3953.4259.1063.87540.323
181II_DT86DG87:DC206DA207_JJ1.0650.6923.402-0.824-0.52232.9191.313-2.0233.364-0.921.45432.933
185II_DT90DT91:DA202DA203_JJ0.3840.0853.0970.843-0.79935.9130.246-0.5093.102-1.296-1.36635.931
186II_DT91DT92:DA201DA202_JJ0.8340.3583.0788.22212.16933.187-1.123-0.1933.1320.125-13.59836.207
187II_DT92DT93:DA200DA201_JJ-0.4120.4043.1976.09412.83420.835-2.8372.7332.75831.234-14.8325.173
188II_DT93DG94:DC199DA200_JJ0.7140.3724.0880.49126.27525.166-4.276-1.0573.13946.969-0.87836.232
191II_DT96DG97:DC196DA197_JJ0.1860.6683.4540.7686.5236.2940.106-0.1833.5210.362-1.2236.863
199II_DT104DT105:DA188DA189_JJ0.1240.1943.1730.616.37734.51-0.61-0.1173.15910.635-1.01735.082
1100II_DT105DT106:DA187DA188_JJ0.7610.5993.5114.10912.03935.917-0.6980.7333.57418.112-21.22840.282
1101II_DT106DC107:DG186DA187_JJ1.6730.8443.946-10.34211.85529.436-0.856-4.9523.28521.50318.7633.294
1107II_DT112DA113:DT180DA181_JJ0.4430.1823.792-2.36612.46234.245-1.728-1.0913.60220.3193.85736.453
1112II_DT117DT118:DA175DA176_JJ0.235-0.1413.738-5.2221.31841.545-0.354-0.953.6771.8497.32541.877
1113II_DT118DT119:DA174DA175_JJ-0.0270.6233.2325.167-8.32335.9522.0470.7072.988-13.184-8.18637.22
1114II_DT119DT120:DA173DA174_JJ-0.9340.6493.46-3.248-10.70835.162.5451.0173.204-17.1965.21736.844
1115II_DT120DG121:DC172DA173_JJ0.351.4453.0781.3012.35440.4691.834-0.3663.1633.398-1.87840.555
1121II_DT128DC129:DG164DA165_JJ-0.776-0.6083.411-6.517-6.52732.0180.1210.1753.549-11.53611.51933.286
1123II_DT130DG131:DC162DA163_JJ1.2711.7533.9189.8084.66735.2471.96-0.34.2977.491-15.74236.832
1129II_DT136DG137:DC156DA157_JJ0.350.5753.7914.00919.85130.5-2.1541.6043.41132.106-22.65838.814
1133II_DT140DA141:DT152DA153_JJ-0.40.4223.618-1.7042.03752.4870.3290.3283.6412.3021.92552.549
1135II_DT142DT143:DA150DA151_JJ0.201-0.572.8631.2785.21928.146-2.169-0.1572.72110.608-2.59828.645
1136II_DT143DG144:DC149DA150_JJ-0.8860.6153.4731.90518.52640.462-1.0821.3683.38925.235-2.59544.379

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.