A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 15-Mar-2023 number of released structures: 12686
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NDB ID: NA3131  PDB ID: 4R2D 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
18B_5FC9:DG4_C119
12B_DC3:DG10_C119
11B_DG2:DC11_C119
13B_DG4:DC9_C119
15B_DG6:DC7_C119
16B_DG7:DC6_C119
17B_DG8:DC5_C119
19B_DG10:5FC3_C119
14B_DT5:DA8_C120
110B_DT11:DA2_C120

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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