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: 1QD3  PDB ID: 1QD3 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
14A_A20:U42_A120
16A_A22:U40_A120
18A_A27:U38_A120
12A_C18:G44_A119
13A_C19:G43_A119
110A_C29:G36_A119
111A_C30:G34_A00
11A_G17:C45_A119
15A_G21:C41_A119
17A_G26:C39_A119
19A_G28:C37_A119

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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