A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 18-May-2022 number of released structures: 12082
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NDB ID: DR0039  PDB ID: 2O3X 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
16A_A10:U38_B120
12A_C4:G45_B119
14A_C7:G42_B119
15A_C9:G39_B119
17A_C11:G37_B119
18A_C12:G36_B119
115A_C21:G28_B119
117A_C23:G26_B119
11A_G3:C46_B119
13A_G5:C44_B119
19A_G13:C35_B119
110A_G14:C34_B119
112A_G16:C32_B119
113A_G19:C30_B119
116A_G22:C27_B119
111A_U15:A33_B120
114A_U20:U29_B116

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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