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: PR0305  PDB ID: 2R93 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
12R_A3:U17_R120
15R_C6:G14_R119
11R_G2:C18_R119
13R_U4:A16_R120
14R_U5:A15_R120
16R_U7:G13_R128

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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