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: 2TPK  PDB ID: 2TPK 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
13A_A5:U18_A120
18A_A30:U13_A120
110A_A32:U11_A120
14A_C6:G17_A119
15A_C7:G16_A119
17A_C29:G14_A119
112A_C34:G9_A119
12A_G4:C19_A119
111A_G33:C10_A119
11A_U3:A20_A120
16A_U28:A15_A120
19A_U31:A12_A120

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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