A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 5-Aug-2020 number of released structures: 10886
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NDB ID: AR0021  PDB ID: 1QC0 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
12A_A12:U27_B120
14A_C14:G25_B119
19A_C19:G20_B119
13A_G13:C26_B119
15A_G15:C24_B119
16A_G16:C23_B119
18A_G18:C21_B119
11A_U11:A28_B120
17A_U17:A22_B120
112C_A103:U136_D120
121C_A112:U127_D120
111C_C102:G137_D119
113C_C104:G135_D119
114C_C105:G134_D119
123C_C114:G125_D119
128C_C119:G120_D119
110C_G101:C138_D119
115C_G106:C133_D119
118C_G109:C130_D119
119C_G110:C129_D10
122C_G113:C126_D119
124C_G115:C124_D119
125C_G116:C123_D119
127C_G118:C121_D119
116C_U107:A132_D120
117C_U108:A131_D120
120C_U111:A128_D120
126C_U117:A122_D120

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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