A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 18-May-2022 number of released structures: 12082
Search for released structures

NDB ID: DR0004  PDB ID: 1ET4 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
18AA_A231G232:C213A214_AA0.753-0.9423.089-6.512-4.744115.35-0.509-0.513.084-2.8053.85115.529
16AA_C229G230:C211U215_AA3.6660.488-1.88511.224-169.772-45.732-1.0391.786-0.50987.8895.811-170.919
11AA_G207G208:C221C222_AA0.957-1.7823.2710.66612.60631.863-4.828-1.5322.43121.918-1.15734.213
12AA_G208U209:A220C221_AA-0.756-1.7763.2541.6991.57733.3-3.3471.5923.1272.749-2.96133.378
14AA_G226G228:C218C219_AA-2.534-1.33.4630.999-0.26953.316-1.4312.893.425-0.299-1.11353.325
15AA_G228C229:U215C218_AA3.01-1.333.276-4.1628.42173.721-1.355-2.622.9836.9913.45574.232
17AA_G230A231:A214C211_AA-3.038-4.375-1.3899.195-36.407-87.0562.323-1.989-0.19321.5158.607-128.044
19AA_G232C233:G212C213_AA0.307-1.363.2491.92.68735.897-2.572-0.2323.1544.349-3.07536.042
13AA_U209G226:C219A220_AA-1.465-1.8053.2444.0314.90243.436-2.8552.3222.8936.582-5.41243.875
117BB_A331G332:C313A314_BB1.165-0.9593.32-0.527-2.957110.786-0.547-0.7143.332-1.7960.32110.813
115BB_C329G330:C311U315_BB3.3270.248-2.16211.782-171.705-41.001-1.131.598-0.74188.4086.066-172.609
110BB_G307G308:C321C322_BB0.605-1.2663.4360.75414.69534.643-3.848-0.8432.7123.414-1.20137.55
111BB_G308U309:A320C321_BB-1.058-1.373.28-2.8178.136.911-3.1211.2792.99412.5854.37637.86
113BB_G326G328:C318C319_BB-2.302-0.9433.293-3.143-2.76352.535-0.8772.3833.458-3.1153.54452.69
114BB_G328C329:U315C318_BB2.793-1.4613.327-4.0268.5671.455-1.522-2.5083.0197.2983.43271.995
116BB_G330A331:A314C311_BB-3.199-4.313-1.82590.362-36.111-88.1652.275-2.256-0.60321.71954.348-123.343
118BB_G332C333:G312C313_BB-0.247-1.5733.322-1.1420.61437.688-2.5150.2323.3030.9511.76737.709
112BB_U309G326:C319A320_BB-1.331-1.653.2845.9348.84347.797-2.6232.0312.78110.758-7.2248.9
126CC_A431G432:C413A414_CC0.692-0.9323.408-2.601-0.673114.529-0.546-0.4413.401-0.41.546114.549
124CC_C429G430:C411U415_CC3.304-0.21-1.74811.943-170.559-14.621-0.9541.583-0.6689.2066.246-171.05
119CC_G407G408:C421C422_CC0.789-1.6873.5010.26114.67631.638-4.979-1.282.50525.286-0.44934.798
120CC_G408U409:A420C421_CC-0.453-1.5143.126-1.1132.36534.723-2.8690.5983.0323.9551.86134.818
122CC_G426G428:C418C419_CC-2.281-1.0973.444-3.0790.39552.947-1.2552.3443.5540.4433.4553.032
123CC_G428C429:U415C418_CC2.897-1.2563.37-4.9529.36873.195-1.337-2.5653.047.8174.13273.852
125CC_G430A431:A414C411_CC-2.989-4.492-1.68693.813-35.786-86.8232.377-2.108-0.55721.45956.255-124.584
127CC_G432C433:G412C413_CC0.061-1.1353.204-1.538-1.3340.616-1.488-0.2563.234-1.9142.21440.664
121CC_U409G426:C419A420_CC-1.746-1.5963.3537.1596.93745.253-2.5932.8012.88.888-9.17346.281
135DD_A531G532:C513A514_DD0.947-0.7483.471-4.813-0.076110.292-0.454-0.6393.442-0.0462.932110.363
133DD_C529G530:C511U515_DD3.3940.173-2.04210.281-171.772-32.13-1.0791.641-0.59588.7445.312-172.389
128DD_G507G508:C521C522_DD0.673-1.723.3260.34215.74131.674-4.943-1.0652.25426.862-0.58435.282
129DD_G508U509:A520C521_DD-0.738-1.6543.169-2.1333.21234.171-3.2760.9313.0455.4453.61534.381
131DD_G526G528:C518C519_DD-2.215-1.143.402-1.5820.90454.291-1.3072.3253.4430.9911.73354.319
132DD_G528C529:U515C518_DD2.789-1.223.261-3.7669.99571.983-1.343-2.4722.9648.4583.18772.665
134DD_G530A531:A514C511_DD-3.23-4.377-1.43495.442-35.62-88.2872.342-2.109-0.18621.16256.702-126.228
136DD_G532C533:G512C513_DD-0.274-1.3113.0630.356-0.38639.226-1.910.4473.073-0.576-0.5339.229
130DD_U509G526:C519A520_DD-1.481-1.6983.4736.8866.69743.725-2.8392.572.9418.865-9.11544.718
144EE_A131G132:C113A114_EE0.842-0.6953.167-4.411-3.148111.172-0.385-0.5613.157-1.9072.673111.26
142EE_C129G130:C111U115_EE3.3280.412-1.98115.192-170.398-45.429-1.0841.59-0.66287.9257.839-171.768
137EE_G107G108:C121C122_EE0.783-1.4263.405-1.93914.9231.052-4.6-1.6072.43426.043.38434.424
138EE_G108U109:A120C121_EE-0.593-1.3783.14-0.4541.75235.97-2.4650.8983.0792.8360.73536.014
140EE_G126G128:C118C119_EE-2.167-1.3213.414-2.639-1.40152.069-1.4042.2783.545-1.5943.00452.149
141EE_G128C129:U115C118_EE2.913-1.3553.417-3.5579.03872.462-1.433-2.5643.1277.6122.99673.021
143EE_G130A131:A114C111_EE-2.995-4.469-1.62997.139-35.273-84.5882.371-2.082-0.39121.15758.266-125.389
145EE_G132C133:G112C113_EE-0.042-1.1523.2681.821-1.79741.77-1.4240.253.308-2.517-2.55141.845
139EE_U109G126:C119A120_EE-1.577-1.7223.465.817.04342.401-3.0092.6942.9219.604-7.92343.328

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.