A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 18-May-2022 number of released structures: 12082
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NDB ID: PTR003  PDB ID: 1GTR 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
16BB_A7C49:G65U66_BB-0.348-1.8833.2191.26-4.31937.224-2.3560.7093.396-6.735-1.96437.485
124BB_A13A14:A21A45_BB-1.896-1.7553.0180.7322.868-106.7621.058-1.1723.059-1.7860.456-106.791
125BB_A14G15:C48A21_BB-0.7590.4233.143-1.4931.244-7.301-6.992-10.2992.818-9.55-11.458-7.554
113BB_A37U38:U32U33_BB-0.178-2.4893.157-5.0765.60749.619-3.311-0.1292.8826.6376.00950.156
19BB_A51G52:C62U63_BB0.18-1.6123.6024.1644.73430.642-3.9490.5083.3178.841-7.77631.269
122BB_C11C12:G23G24_BB0.241-2.1883.2121.4626.03428.235-5.611-0.1862.70512.183-2.95228.896
123BB_C12A13:A45G23_BB1.443-4.3643.41414.9461.202139.696-2.328-0.683.4620.64-7.954140.055
116BB_C40C41:G29G30_BB-0.042-1.7313.301-1.4167.98230.368-4.611-0.1742.76714.9062.64531.407
117BB_C41G42:C28G29_BB0.065-2.2743.3681.14712.73817.622-10.0960.1951.41736.047-3.24721.745
120BB_C44G10:C25A26_BB-3.777-1.2113.0836.06713.05153.547-1.9534.372.34414.198-6.60155.309
17BB_C49G50:C64G65_BB-0.238-2.1843.614-0.28312.09624.085-7.6470.4422.27526.9220.62926.914
11BB_G2G3:C70C71_BB0.447-1.4653.266-1.9396.68329.582-4.067-1.2222.8412.8653.73330.372
12BB_G3G4:C69C70_BB0.094-1.663.375-0.3174.78535.434-3.394-0.1993.137.8170.51835.747
13BB_G4G5:C68C69_BB0.738-2.1643.5197.04312.42128.603-6.135-0.0982.49723.389-13.26131.902
14BB_G5U6:A67C68_BB0.272-1.3823.402-3.8951.06733.557-2.555-1.1163.3071.846.71633.792
121BB_G10C11:G24C25_BB-0.447-1.8523.242-2.812.03936.29-3.2370.3333.1613.2654.49936.45
118BB_G42G43:C27C28_BB0.535-1.723.6051.9648.7933.168-4.347-0.5853.08715.056-3.36334.336
119BB_G43C44:A26C27_BB-0.031-1.3453.3591.3615.06444.555-2.2250.1653.1936.652-1.78844.847
18BB_G50A51:U63C64_BB-0.068-0.7992.97-4.1812.6437.656-1.532-0.3762.94.0696.44337.967
110BB_G52G53:C61C62_BB0.642-2.2683.5295.1699.09829.974-5.821-0.2262.80716.953-9.63231.709
111BB_G53U54:A58C61_BB-2.448-2.3383.069-1.453-0.71190.775-1.6291.6923.114-0.51.02190.786
15BB_U6A7:U66A67_BB-0.199-1.3122.9238.1198.5631.234-3.4781.4782.36815.234-14.4533.336
114BB_U38U39:A31U32_BB1.81-2.0783.45-3.9635.30839.792-3.607-3.0682.9737.7345.77440.317
115BB_U39C40:G30A31_BB0.43-1.8243.566-1.23510.99737.922-4.02-0.7852.93116.4971.85239.446
112BB_U54U55:G18A58_BB1.81-2.0153.4435.1623.13338.236-3.451-2.0573.4794.747-7.82138.693

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.