A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-May-2022 number of released structures: 12077
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NDB ID: 1A3M  PDB ID: 1A3M 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
17A_A7:A21_B00
19A_A9:U18_B120
13A_C3:G25_B119
16A_C6:G22_B119
18A_C8:G19_B119
110A_C10:G17_B119
111A_C11:G16_B119
11A_G1:C27_B119
12A_G2:C26_B119
14A_G4:C24_B119
15A_U5:U23_B00
112A_U12:G15_B20

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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