A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 20-Feb-2020 number of released structures: 10626
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NDB ID: NA2208  PDB ID: 4IR1 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
18G_DA848:DT866_H120
111G_DA851:DT863_H120
15G_DC845:DG869_H119
16G_DC846:DG868_H119
112G_DC852:DG862_H119
113G_DC853:DG861_H119
114G_DC854:DG860_H119
11G_DG841:DC873_H119
12G_DG842:DC872_H119
13G_DG843:DC871_H119
19G_DG849:DC865_H119
110G_DG850:DC864_H119
14G_DT844:DA870_H120
17G_DT847:DA867_H120
122B_DA848:DT866_C120
125B_DA851:DT863_C120
119B_DC845:DG869_C119
120B_DC846:DG868_C119
126B_DC852:DG862_C119
127B_DC853:DG861_C119
128B_DC854:DG860_C119
115B_DG841:DC873_C119
116B_DG842:DC872_C119
117B_DG843:DC871_C119
123B_DG849:DC865_C119
124B_DG850:DC864_C119
118B_DT844:DA870_C120
121B_DT847:DA867_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)