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: 1EXY  PDB ID: 1EXY 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
111A_A11:U18_A120
14A_C4:G29_A119
16A_C6:G25_A119
17A_C7:G24_A119
112A_C12:G17_A119
11A_G1:C32_A119
12A_G2:U31_A128
13A_G3:C30_A119
15A_G5:C28_A119
18A_G8:C23_A119
19A_G9:C20_A119
113A_G13:A16_A100
110A_U10:A19_A120

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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