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: UR0027  PDB ID: 1NBS 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
14AA_A89G90:C235U236_AA-0.106-1.6892.6621.9022.2130.001-3.6070.5122.5234.257-3.66230.139
125AA_A98G100:A103U104_AA2.713-1.562-2.017-89.034-140.325-37.7340.0141.855-0.52974.1-47.015-166.933
116AA_A110G111:C92U93_AA-0.239-1.9962.683-1.72210.17330.173-4.9850.2081.93618.8623.19331.849
121AA_A115G116:C127U128_AA0.998-1.8223.215-0.2053.91432.589-3.863-1.7992.9756.9430.36432.818
127AA_A170U171:A138A139_AA1.49-1.1123.176-1.3069.85156.473-1.666-1.6222.92910.3221.36857.269
132AA_A187G188:A222A191_AA2.299-2.1742.673-3.1236.3150.061-2.886-2.8622.2637.4143.66950.522
12AA_C87G88:C237G238_AA1.089-1.9293.3796.50911.97430.521-5.274-0.8572.6321.454-11.66233.359
114AA_C108U109:A94G95_AA0.591-2.4193.126-10.0556.76528.278-5.69-2.7842.17113.11119.48830.716
120AA_C114A115:U128G129_AA-1.24-1.5823.3812.7611.03430.535-3.1962.8923.2051.958-5.22730.674
124AA_C118U119:A124G125_AA-2.852-2.1073.1947.978.32853.05-2.7583.5562.4429.201-8.80554.199
129AA_C172C173:G136G137_AA-0.011-2.5972.912.382.8625.094-6.6130.6062.596.537-5.43925.364
130AA_C173U174:A135G136_AA-0.613-1.9843.422-1.9248.68730.9-5.0980.7732.80715.8963.5232.125
111AA_C183C184:G226G227_AA-0.61-1.7743.0166.15214.68834.631-4.2291.5671.99623.216-9.72438.015
112AA_C184C192:G224G226_AA-1.229-6.273-1.869-135.09-112.399-16.8721.1931.723-5.17857.363-68.944-175.781
136AA_C198C200:G213G215_AA-0.175-2.8966.578-5.51618.44169.584-3.662-0.2085.75815.8564.74371.873
11AA_G86C87:G238C239_AA-0.02-1.7783.164-0.693-0.2635.204-2.902-0.0673.177-0.431.14635.211
13AA_G88A89:U236C237_AA-0.574-2.0782.926-7.9339.44131.313-4.875-0.0822.29616.70314.03433.597
15AA_G90G132:C234C235_AA0.251-2.4323.1766.6586.77233.193-5.0560.5152.64311.562-11.36934.488
126AB_G100G220:C102A103_AA0.2953.9485.039-166.57333.796109.0261.677-1.6244.39517.08384.196174.181
113AA_G107C108:G95C96_AA0.182-1.773.1843.9158.52730.156-4.6910.3242.60115.912-7.30631.55
117AA_G111G112:C91C92_AA0.762-2.0413.495.9158.76233.265-4.753-0.3642.96214.846-10.02234.859
118AA_G112G113:C131C91_AA-1.07-2.5022.125-9.6316.22523.191-6.670.7331.7114.4122.29325.837
119AA_G113C114:G129C131_AA0.827-1.993.468-8.4611.98443.229-3.586-1.7862.65615.73511.10845.537
122AA_G116U117:G126C127_AA0.561-1.2483.3732.2310.93640.386-1.913-0.5533.3691.354-3.22840.455
16AA_G132G133:C233C234_AA0.706-2.0943.4356.9717.60236.147-4.255-0.1793.02811.955-10.96437.542
17AA_G133G180:C232C233_AA-5.173-0.3583.684-0.93-6.82364.523-0.0074.7793.767-6.3720.86964.85
18AA_G180U181:A231C232_AA0.417-1.6652.9090.35-1.87634.197-2.56-0.6592.998-3.188-0.59534.248
110AA_G182C183:G227U228_AA-0.071-1.0193.245-6.24613.14342.498-2.476-0.4492.8117.5288.3344.811
133AA_G188G217:G190A222_AA-0.5625.051-5.451114.152117.25810.7773.458-0.5992.69563.934-62.241163.719
134AA_G217U197:A216G190_AA1.7754.9131.545-117.232110.422-152.913-2.5610.7791.023-55.389-58.805-175.581
115AA_U109A110:U93A94_AA0.008-1.6022.9697.24711.62733.031-4.0130.8582.24819.441-12.11835.686
123AA_U117C118:G125G126_AA-1.018-2.0653.128-1.0067.95726.845-5.9141.8962.46216.6732.10827.996
128AA_U171C172:G137A138_AA-0.314-2.0583.499-4.695-5.72334.5-2.441-0.2673.79-9.5147.80535.261
131AA_U174U175:A179A135_AA-1.353-0.432.8037.480.141111.913-0.2610.8892.740.085-4.51112.078
19AA_U181G182:U228A231_AA2.009-2.2013.1945.1622.17225.57-5.456-3.0233.3324.834-11.48826.166
135AA_U197C198:G215A216_AA0.923-1.023.8010.7116.90832.549-3.09-1.4783.53512.152-1.2533.262
140BB_A89G90:C235U236_BB-0.31-2.1272.8740.668.68726.465-6.0370.7672.07618.354-1.39427.838
161BB_A98G100:A103U104_BB-2.2181.8881.21596.582130.735-15.606-1.374-0.812-0.032-71.42852.768-162.705
153BB_A110G111:C92U93_BB0.791-1.7492.9072.7239.03730.337-4.567-1.0352.36216.766-5.05231.739
158BB_A115G116:C127U128_BB0.682-1.1633.454-1.8478.07529.369-3.828-1.6662.98815.543.55530.49
172BB_A141U169:A140A167_BB1.786-2.4770.394133.486116.829-47.6941.0641.0930.422-58.92667.328-177.614
171BB_A142A141:A167G166_BB-0.3511.226-3.162-2.14911.223-110.177-0.613-0.188-3.242-6.832-1.308-110.574
170BB_A143A142:G166U165_BB0.6351.058-3.5739.255-16.205-58.56-1.8650.152-3.26416.1269.209-61.209
164BB_A158U159:G150U151_BB-0.045-0.9023.0832.07515.65942.832-2.4070.2232.61220.623-2.73345.523
166BB_A160C146:G162A206_BB4.1985.477-0.556145.46628.508-68.689-2.5510.83-4.54-15.55579.37-153.88
174BB_A170U171:A138A139_BB0.402-1.3633.689-1.222.4460.223-1.491-0.4673.6282.431.21560.279
179BB_A208U209:A204G205_BB1.928-0.6162.885.45915.99654.169-1.447-1.7632.77917.104-5.83756.554
185BB_A214G215:C198U199_BB0.097-1.8913.00.5041.43133.755-3.463-0.0942.922.462-0.86733.788
187BB_A216G217:G190U197_BB-0.193-3.1714.9-4.088.13393.866-2.3810.0234.6845.5562.78794.203
138BB_C87G88:C237G238_BB1.042-1.9252.921-10.4949.88229.126-4.753-3.2531.72718.30419.43832.429
151BB_C108U109:A94G95_BB0.669-1.9063.4032.0296.45831.201-4.628-0.8522.99511.832-3.71731.909
157BB_C114A115:U128G129_BB-1.167-1.573.7092.9881.21738.975-2.5082.1433.5641.82-4.46939.103
168BB_C145G144:C164G163_BB-0.5191.434-3.2332.685-1.021-37.105-2.38-1.161-3.151.6024.212-37.212
167BB_C146C145:G163G162_BB0.7052.459-3.142.09-6.36-29.768-5.8020.97-2.61312.1874.004-30.495
176BB_C172C173:G136G137_BB0.25-2.2623.757-2.907-0.29630.329-4.236-1.1423.739-0.5645.5430.466
177BB_C173U174:A135G136_BB0.239-2.233.2260.259.03734.524-4.825-0.3572.58114.912-0.41335.653
147BB_C183C184:G226G227_BB-0.357-2.1753.1998.25514.94734.103-4.9321.4271.97523.731-13.10638.025
148BB_C184C192:G224G226_BB1.266-4.2085.86-122.086-122.581160.374-1.74-0.9966.13-61.32761.079178.809
149BB_C192G219:A191G224_BB6.335-0.548-1.71821.80435.378-81.7550.9084.158-2.673-25.62815.795-90.028
137BB_G86C87:G238C239_BB-0.52-1.4092.716-0.17811.53141.052-2.8440.7032.26116.0640.24942.573
139BB_G88A89:U236C237_BB0.095-1.2853.48611.0446.45634.613-2.9451.4083.09210.421-17.82636.834
141BB_G90G132:C234C235_BB0.149-2.3773.4364.93110.05236.863-4.8090.3632.71615.464-7.58638.469
150BB_G107C108:G95C96_BB-0.962-1.5922.893-0.0463.71829.814-3.7241.8492.6817.1910.08930.04
154BB_G111G112:C91C92_BB0.416-1.5842.957-1.119-3.90533.91-2.123-0.8743.1-6.6651.9134.146
155BB_G112G113:C131C91_BB-0.849-3.3422.8226.79814.4489.475-12.5363.653-1.46153.843-25.33418.551
156BB_G113C114:G129C131_BB-0.013-1.9943.123-11.49712.15144.969-3.315-0.7932.46915.27514.45347.828
159BB_G116U117:G126C127_BB1.77-1.2053.2313.0543.74941.061-2.106-2.1843.2315.322-4.33541.332
142BB_G132G133:C233C234_BB0.169-2.1593.3113.2777.8431.19-5.1840.242.70614.252-5.95832.299
143BB_G133G180:C232C233_BB-5.207-0.4053.392-1.743-7.23467.42-0.074.5983.532-6.4961.56567.781
169BB_G144A143:U165C164_BB1.141.547-3.1714.242-8.088-30.554-4.1961.354-2.80914.9347.832-31.858
162BB_G156G157:C152U153_BB-1.871-2.944-0.866114.906-127.36424.251-1.5170.9010.729-66.163-59.691171.726
163BB_G157A158:U151C152_BB0.792-1.4983.630.336-1.01934.804-2.33-1.2663.678-1.703-0.56134.82
144BB_G180U181:A231C232_BB0.688-1.6832.662-2.039-7.12732.434-1.914-1.4972.909-12.5563.59233.248
146BB_G182C183:G227U228_BB-0.005-1.7353.292-0.6893.24337.403-3.112-0.0813.1365.0451.07137.544
181BB_G210G211:C202U203_BB-1.085-2.0373.532-3.5912.67241.445-3.1661.1183.4783.7625.05741.676
182BB_G211U212:A201C202_BB-0.523-1.5223.0263.081.731.834-3.0371.4522.883.088-5.59332.023
184BB_G213A214:U199C200_BB0.095-1.8453.5521.95713.5733.616-4.8430.1172.63722.344-3.22336.23
186BB_G215A216:U197C198_BB-0.002-1.5063.1924.85-2.37836.308-2.070.663.254-3.79-7.7336.694
188BB_G217U218:A222G190_BB-2.2160.533.2195.5393.09718.5030.2028.9572.5099.286-16.60519.552
152BB_U109A110:U93A94_BB0.259-1.2643.1350.26812.16730.483-4.103-0.4192.46622.069-0.48632.769
160BB_U117C118:G125G126_BB-0.747-2.3522.688-1.7629.85717.57-9.6221.6071.26629.3745.25220.204
165BB_U159A160:A206G150_BB-3.245-0.2965.9875.78911.10789.133-0.6172.515.7577.882-4.10889.825
173BB_U169A170:A139A140_BB4.75-1.2043.3892.3248.152-11.802-2.63320.8992.673-34.4129.812-14.522
175BB_U171C172:G137A138_BB0.213-1.773.357-3.1773.93527.746-4.538-1.1683.0398.126.55728.194
178BB_U174U175:A179A135_BB-1.036-1.0822.7774.5578.157117.421-0.7020.6442.7024.769-2.664117.652
145BB_U181G182:U228A231_BB2.214-2.1893.2516.2494.66729.562-5.093-2.9463.2648.951-11.98630.552
180BB_U209G210:U203A204_BB1.638-3.0713.338-2.1510.09613.695-12.814-8.8343.0240.48.94913.862
183BB_U212G213:C200A201_BB0.05-1.5892.793-9.2655.66828.307-3.967-1.6082.30911.08818.12330.28

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.