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: 6AMA  PDB ID: 6AMA 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
12NN_DA72DC73:DG107DT108_RR0.6220.7982.514-10.0893.55942.0150.819-1.5892.3684.8713.80443.296
17NN_DA77DA78:DT102DT103_RR0.138-0.7013.31-4.245-11.82737.4010.423-0.733.338-17.8376.40239.384
18NN_DA78DT79:DA101DT102_RR0.662-0.9833.3815.585-8.50726.1530.1880.0883.582-17.958-11.78928.031
111NN_DA81DC82:DG98DT99_RR0.5270.1562.7745.7896.40138.433-0.425-0.1882.819.577-8.66139.354
114NN_DA86DA87:DT93DT94_RR-0.462-0.3343.095-4.017-1.94434.266-0.2750.1833.141-3.2836.78234.546
115NN_DA87DT88:DA92DT93_RR-0.016-0.8933.146-3.897-4.08433.753-0.888-0.5743.211-6.9746.65434.208
118NN_DA90DC91:DG89DT90_RR0.5790.3952.296-0.7140.99824.8490.706-1.4952.2922.3171.65824.879
123NN_DA95DA96:DT84DT85_RR0.48-0.2313.4550.0680.02533.465-0.406-0.8213.4560.043-0.11833.466
124NN_DA96DT97:DA83DT84_RR-0.58-0.2013.2392.4661.33834.818-0.5341.3323.1822.232-4.11234.927
127NN_DA99DC100:DG80DT81_RR0.4650.6762.43514.231-3.2824.1981.9781.6122.248-7.061-30.63528.207
132NN_DA104DA105:DT75DT76_RR-0.488-0.8962.995-7.897-6.6436.757-0.569-0.2083.139-10.28412.2338.13
133NN_DA105DT106:DA74DT75_RR0.32-1.2143.6573.519-16.1232.2150.8130.0893.833-26.956-5.88436.094
136NN_DA108DC109:DG71DT72_RR1.0380.522.318-3.013-10.18833.7331.872-2.0121.985-17.0395.03935.32
141NN_DA113DA114:DT66DT67_RR0.291-0.9733.296-7.8633.16422.647-3.308-3.1372.8737.71919.18224.162
142NN_DA114DT115:DA65DT66_RR-0.061-0.5873.252-2.473-9.26538.8360.224-0.1993.299-13.6823.65239.958
145NN_DA117DC118:DG62DT63_RR0.2940.9792.2574.613-0.34535.1211.645-0.0122.266-0.569-7.60335.415
148NN_DA122DA123:DT57DT58_RR0.43-1.0333.331-3.009-0.65437.109-1.53-1.083.304-1.0264.71837.232
149NN_DA123DT124:DA56DT57_RR0.721-1.0313.362.159-4.73929.89-0.959-0.9173.52-9.101-4.14530.33
152NN_DA126DC127:DG53DT54_RR0.070.3622.924-14.87-1.16633.6930.715-1.922.649-1.924.23436.759
157NN_DA131DA132:DT48DT49_RR-0.501-0.0113.3870.8993.35140.638-0.3980.8213.3654.815-1.29240.78
158NN_DA132DT133:DA47DT48_RR-0.188-0.5482.918-3.636-8.96932.5510.384-0.2152.964-15.5776.31533.922
161NN_DA135DC136:DG44DT45_RR0.0040.2522.678-11.2176.15639.707-0.184-0.9862.5948.79116.01741.639
166NN_DA140DA141:DT39DT40_RR-0.013-0.1673.544.4455.83540.708-0.9120.5333.4648.306-6.32841.336
167NN_DA141DT142:DA38DT39_RR-0.91-0.9683.345-4.1490.58426.922-2.2070.8523.4221.2458.84427.24
170NN_DA144DC145:DG35DT36_RR-0.039-0.0083.035-2.1795.01233.116-0.778-0.2642.9988.723.79133.552
175NN_DA149DA150:DT30DT31_RR-0.084-0.2623.4511.373-3.27834.1840.0980.373.455-5.558-2.32934.362
176NN_DA150DT151:DA29DT30_RR-0.337-0.2373.108-0.342-0.02842.061-0.3270.4363.111-0.0390.47742.062
179NN_DA153DC154:DG26DT27_RR0.171-0.0813.1838.1191.52528.347-0.4771.363.1033.034-16.14929.503
184NN_DA158DA159:DT21DT22_RR-0.943-0.642.89-3.106-14.49634.9390.7591.082.987-22.914.90937.863
185NN_DA159DT160:DA20DT21_RR0.105-1.3763.6625.031-6.17933.144-1.2070.7513.824-10.641-8.66434.062
188NN_DA162DC163:DG17DT18_RR-0.1340.2883.362.0131.58136.6460.2360.4943.3572.51-3.19736.732
193NN_DA167DA168:DT12DT13_RR0.449-1.3033.241-0.6374.77631.281-3.237-0.9363.0058.7921.17231.64
194NN_DA168DT169:DA11DT12_RR0.557-0.9513.534.295-4.3136.899-0.857-0.2443.654-6.753-6.72937.38
13NN_DC73DC74:DG106DG107_RR-0.369-0.7294.049-6.2555.90845.158-1.564-0.1943.9437.6128.05845.928
14NN_DC74DC75:DG105DG106_RR-0.947-1.693.398-7.17329.12810.498-7.1030.744-0.19769.08517.01231.742
15NN_DC75DG76:DC104DG105_RR0.2910.6553.047-4.2535.97542.9480.341-0.7783.0668.095.75943.54
112NN_DC84DG85:DC95DG96_RR-0.2890.7993.568-2.67617.66130.623-1.7270.0143.51530.4114.60835.344
119NN_DC91DC92:DG88DG89_RR-0.8120.2783.897-10.9948.04743.342-0.52-0.1493.96910.58714.46545.334
120NN_DC92DC93:DG87DG88_RR-0.855-0.6773.555-3.79616.37713.597-8.5240.7261.88649.97611.58421.591
121NN_DC93DG94:DC86DG87_RR0.048-0.7263.117-6.221.38638.504-2.773-0.5882.38429.6128.58544.267
128NN_DC100DC101:DG79DG80_RR0.2080.04.838-9.7215.92642.635-2.003-1.4874.42720.75612.66846.364
129NN_DC101DC102:DG78DG79_RR-0.319-0.5023.6583.8821.98516.054-6.7281.6721.70953.882-9.50827.438
130NN_DC102DG103:DC77DG78_RR0.4090.8653.313-3.81620.08230.713-1.622-1.2173.20233.6466.39436.757
137NN_DC109DC110:DG70DG71_RR-1.013-1.2534.1022.5826.63623.838-6.2532.061.77148.806-4.72835.693
138NN_DC110DC111:DG69DG70_RR0.307-1.4554.729-31.80523.02628.421-4.183-3.691.96732.52744.92748.141
139NN_DC111DG112:DC68DG69_RR-0.811-0.4862.55610.1845.49934.188-1.3612.3762.1359.038-16.73836.039
146NN_DC120DG121:DC59DG60_RR0.2751.0453.995-4.02317.66131.04-1.621-1.2043.94830.0156.83735.826
153NN_DC127DC128:DG52DG53_RR-1.45-0.5633.201-2.0929.28928.165-2.9912.4032.96718.4344.15129.7
154NN_DC128DC129:DG51DG52_RR0.274-0.7453.807-23.0212.17733.89-1.342-3.2982.9923.30134.91140.835
155NN_DC129DG130:DC50DG51_RR-0.1820.0962.75818.40618.36824.559-2.1112.571.87433.447-33.51735.622
162NN_DC136DC137:DG43DG44_RR-0.522-1.0954.462-0.1640.32533.487-1.9730.8694.4540.5650.28533.489
163NN_DC137DC138:DG42DG43_RR0.31-1.1673.768-3.13928.04621.563-6.025-0.9691.37953.0145.93435.383
164NN_DC138DG139:DC41DG42_RR-0.1130.7722.798-2.8517.26532.0960.27-0.2282.89812.9025.06333.007
171NN_DC145DC146:DG34DG35_RR-2.132-0.8853.2790.62613.95833.778-3.2483.4882.6822.847-1.02436.475
172NN_DC146DC147:DG33DG34_RR0.688-0.7254.72-7.95220.22935.292-4.036-2.1583.58830.10511.83441.266
173NN_DC147DG148:DC32DG33_RR-0.7620.113.0091.0496.93921.095-2.1252.3412.85718.313-2.76822.219
180NN_DC154DC155:DG25DG26_RR0.246-0.8834.037-17.16-7.31638.076-0.285-2.5463.705-10.48224.58442.248
181NN_DC155DC156:DG24DG25_RR-0.384-1.0323.8183.49626.80927.001-5.1741.0581.98745.457-5.92838.031
182NN_DC156DG157:DC23DG24_RR-0.421-0.2653.118-4.38318.04637.128-2.2120.152.74226.4146.41641.367
189NN_DC163DC164:DG16DG17_RR-0.481-0.3284.11-12.0410.82928.592-2.958-1.793.66420.02622.26632.776
190NN_DC164DC165:DG15DG16_RR-2.207-1.3153.888-2.14415.74630.061-5.0873.3982.99728.0313.81733.917
191NN_DC165DG166:DC14DG15_RR1.211-1.2353.5267.5968.41527.811-4.25-0.6583.23616.658-15.03729.99
16NN_DG76DA77:DT103DC104_RR-0.807-0.5353.422-3.955-4.72531.221-0.0490.6963.536-8.6737.25931.808
113NN_DG85DA86:DT94DC95_RR-0.0460.1113.451-0.722.01540.648-0.076-0.0183.4532.8991.03540.702
122NN_DG94DA95:DT85DC86_RR-0.4190.063.8226.486-6.52742.170.8271.3113.673-8.944-8.88843.118
131NN_DG103DA104:DT76DC77_RR-0.419-0.3263.233-3.4080.61940.794-0.5330.2283.2520.8864.87840.935
140NN_DG112DA113:DT67DC68_RR-0.4990.7263.3544.102-5.53752.7041.1690.8233.224-6.206-4.59853.121
147NN_DG121DA122:DT58DC59_RR-0.7520.2112.9910.212-1.0240.9890.4031.0952.981-1.456-0.30341.002
156NN_DG130DA131:DT49DC50_RR0.038-0.424.309-0.9863.54542.787-1.035-0.184.264.8481.34942.937
165NN_DG139DA140:DT40DC41_RR-0.151-0.4283.6864.068-4.6441.436-0.0510.6933.681-6.514-5.71241.873
174NN_DG148DA149:DT31DC32_RR0.3210.1143.091.2222.42538.854-0.108-0.3413.13.639-1.83538.945
183NN_DG157DA158:DT22DC23_RR-0.098-0.5273.368-2.252-7.50434.8160.28-0.1823.405-12.3473.70635.66
192NN_DG166DA167:DT13DC14_RR0.6110.1822.8055.33-9.21849.9760.765-0.3892.78-10.769-6.22751.027
11NN_DT71DA72:DT108DA109_RR-0.185-0.0473.50813.029-2.3434.4490.2652.183.227-3.782-21.06236.833
19NN_DT79DT80:DA100DA101_RR0.098-0.6723.722-2.914-6.37347.981-0.251-0.3793.765-7.7893.56148.46
110NN_DT80DA81:DT99DA100_RR-0.027-0.4232.60210.466-11.29738.4680.390.9562.534-16.369-15.16641.328
116NN_DT88DT89:DA91DA92_RR-0.252-0.2663.3332.585-5.14535.1010.3320.7983.311-8.461-4.25135.555
117NN_DT89DA90:DT90DA91_RR-0.995-0.0393.7993.4746.35149.159-0.5841.4793.6947.587-4.14949.657
125NN_DT97DT98:DA82DA83_RR-0.123-0.253.558-9.928-3.68138.8860.095-1.0553.493-5.40814.58640.248
126NN_DT98DA99:DT81DA82_RR-0.3320.1823.1863.847-1.92346.2220.3880.7363.141-2.443-4.88846.41
134NN_DT106DT107:DA73DA74_RR0.499-0.8133.04511.668-1.534.002-1.1120.7973.078-2.474-19.25235.923
135NN_DT107DA108:DT72DA73_RR-0.5190.1643.7775.4375.42543.003-0.3781.2983.6827.33-7.34743.651
143NN_DT115DT116:DA64DA65_RR0.987-0.2472.7117.67-4.16243.0570.009-0.6952.849-5.603-10.32443.891
144NN_DT116DA117:DT63DA64_RR-0.250.6183.9417.7344.71434.9650.191.7293.8497.688-12.61336.084
150NN_DT124DT125:DA55DA56_RR0.251-0.6573.173-0.258-1.45533.155-0.913-0.4813.196-2.5480.45333.187
151NN_DT125DA126:DT54DA55_RR-0.4060.1863.8618.5619.10645.988-0.6321.3143.70411.409-10.72647.567
159NN_DT133DT134:DA46DA47_RR0.471-0.2073.356-2.603-3.47738.3820.125-1.043.324-5.2683.94438.618
160NN_DT134DA135:DT45DA46_RR0.6160.23.7429.1912.66438.086-0.0730.3663.794.006-13.8239.227
168NN_DT142DT143:DA37DA38_RR0.323-0.5893.357-9.586-4.52138.765-0.329-1.5933.237-6.66114.12340.134
169NN_DT143DA144:DT36DA37_RR0.2890.4322.9445.065-11.14145.9521.3380.0062.788-13.981-6.35647.468
177NN_DT151DT152:DA28DA29_RR-0.327-1.0823.76-6.8820.22229.492-2.124-0.9893.730.42813.29130.268
178NN_DT152DA153:DT27DA28_RR-0.287-0.1582.71-1.913-5.53748.9750.1540.2252.72-6.6512.29849.302
186NN_DT160DT161:DA19DA20_RR0.183-0.9333.639-0.402-3.4934.183-0.966-0.3813.711-5.9170.68234.357
187NN_DT161DA162:DT18DA19_RR0.4490.4052.7396.226-3.56145.320.78-0.1222.737-4.587-8.0245.855

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.