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: UR0049  PDB ID: 1Y3O 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
13A_5BU3:A21_A120
112A_A14:U11_B120
11A_C1:G23_A119
15A_C5:G19_A119
111A_C13:G12_B119
113A_C15:G10_B119
14A_G4:C20_A119
17A_G7:C17_A119
18A_G10:C15_B119
110A_G12:C13_B119
12A_U2:A22_A120
16A_U6:A18_A120
19A_U11:A14_B120
116B_5BU3:A21_B120
114B_C1:G23_B119
118B_C5:G19_B119
117B_G4:C20_B119
120B_G7:C17_B119
115B_U2:A22_B120
119B_U6:A18_B120

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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