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: 2U2A  PDB ID: 2U2A 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
15A_A5:U16_A120
14A_C4:G17_A119
11A_G1:C20_A119
12A_G2:C19_A119
16A_G6:C15_A119
18A_G8:A13_A911
13A_U3:A18_A120
17A_U7:A14_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)