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: DR0016  PDB ID: 2ET4 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
17A_A9:U37_B120
12A_C3:G44_B119
15A_C6:G41_B119
16A_C8:G38_B119
18A_C10:G36_B119
19A_C11:G35_B119
116A_C20:G27_B119
118A_C22:G25_B10
11A_G2:C45_B119
13A_G4:C43_B119
110A_G12:C34_B119
111A_G13:C33_B119
113A_G15:C31_B119
114A_G18:C29_B119
117A_G21:C26_B119
14A_U5:U42_B00
112A_U14:A32_B120
115A_U19:U28_B00

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

Correspondence of Leontis/Westhof names to Saenger numbering (table)