A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 9-Feb-2023 number of released structures: 12635
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NDB ID: PR0203  PDB ID: 2C4Q 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
12R_A3:U17_R120
11R_C2:G18_R119
14R_G5:C15_R119
15R_G7:C14_R119
16R_G8:C13_R119
13R_U4:A16_R120
18S_A3:U17_S00
17S_C2:G18_S119
110S_G5:C15_S119
111S_G7:C14_S10
112S_G8:C13_S119
19S_U4:A16_S120

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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