A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 25-May-2022 number of released structures: 12098
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NDB ID: PR0056  PDB ID: 1H4Q 


Base Pair Morphology Step Parameters

CSV Format

Model NumberStep NumberStep NameShiftSlideRiseTiltRollTwistX-DisplacementY-DisplacementHelical RiseInclinationTipHelical Twist
110TT_5MU54PSU55:G18G58_TT1.924-1.9353.3112.525-2.4943.428-2.271-1.2623.797-3.281-16.50645.18
13TT_A6G7:C66U67_TT-0.195-2.2273.1040.5286.95531.037-5.180.4412.55412.795-0.97231.792
122TT_A14G15:C48U8_TT1.863-3.4763.1711.9325.688-67.3232.9071.753.372-5.1211.74-67.559
111TT_A38C39:G31U32_TT-0.736-1.5233.107-3.858-1.13835.291-2.3360.663.213-1.8696.33835.513
114TT_A41G42:C28U29_TT1.034-2.183.553.9418.04128.613-5.908-1.1712.95415.789-7.73729.954
119TT_C11G12:C23G24_TT0.449-1.3723.2554.6398.29335.567-3.257-0.1062.90713.286-7.43236.775
121TT_C13A14:U8G22_TT-1.288-0.2593.2864.857-2.85961.321-0.121.4843.193-2.797-4.75161.554
112TT_C39G40:C30G31_TT-0.481-1.3462.945-0.4188.35626.216-4.5560.9252.41517.8530.89327.496
16TT_C50U51:A63G64_TT-0.828-2.152.96-1.3814.92726.988-5.5651.4552.57210.4382.92527.46
11TT_G4G5:C68C69_TT-0.066-2.033.4851.0345.72222.17-7.1150.5292.8714.562-2.63122.91
12TT_G5A6:U67C68_TT1.058-1.5773.099-4.5347.12132.076-3.814-2.5222.53112.6168.03333.141
14TT_G7G49:U65C66_TT-0.058-2.4472.9392.1615.56825.825-6.5480.5962.35612.25-4.75426.495
118TT_G10C11:G24C25_TT-0.732-1.6463.215-4.5346.21833.634-3.6970.5642.94410.5747.71134.478
120TT_G12C13:G22C23_TT1.219-2.0253.0122.5972.52827.373-4.803-1.9792.9185.313-5.45727.607
113TT_G40A41:U29C30_TT0.092-1.2042.993-1.3172.62329.941-2.803-0.4192.8735.0622.54130.081
115TT_G42G43:C27C28_TT1.176-2.3833.82710.64815.8233.147-5.803-0.3532.70225.296-17.02638.107
116TT_G43G44:A26C27_TT-1.138-1.7313.223-0.528.31339.972-3.3411.5782.83612.0030.75140.796
117TT_G44G10:C25A26_TT-3.467-2.6942.88218.0137.12165.778-2.5943.5781.7286.415-16.22568.262
15TT_G49C50:G64U65_TT0.027-1.2773.374-3.564-0.68344.219-1.626-0.3783.381-0.9054.72644.36
18TT_G52G53:C61C62_TT1.084-1.8853.4943.6665.75241.142-3.284-1.123.2938.117-5.17441.679
19TT_G535MU54:G58C61_TT-2.709-2.1413.2141.143-0.70387.079-1.5391.9913.2-0.511-0.82987.087
17TT_U51G52:C62A63_TT0.33-2.1183.151-2.0193.50421.179-6.936-1.6162.7259.4225.43121.558

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.