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: 1NBR  PDB ID: 1NBR 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
13A_A3:U27_A120
110A_A11:U20_A120
111A_A12:U19_A120
19A_C10:G21_A119
112A_C13:G17_A119
11A_G1:C29_A119
12A_G2:C28_A119
14A_G4:C26_A119
16A_G6:C24_A119
15A_U5:G25_A028
17A_U8:A23_A120
18A_U9:G22_A128

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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