A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 30-Nov-2022 number of released structures: 12490
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NDB ID: PD0255  PDB ID: 1K4S 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
18B_5IU9:DA114_D120
19B_5IU10:DA113_D120
11B_DA2:5IU121_D120
12B_DA3:5IU120_D120
13B_DA4:5IU119_D120
14B_DA5:5IU118_D120
16B_DA7:5IU116_D120
17B_DC8:DG115_D119
15B_DG6:DC117_D119
117C_5IU18:DA105_D120
118C_5IU19:DA104_D120
119C_5IU20:DA103_D120
120C_5IU21:DA102_D120
112C_DA13:5IU110_D120
113C_DA14:5IU109_D120
114C_DA15:5IU108_D120
115C_DA16:5IU107_D120
116C_DA17:DT106_D120
111C_DG12:DC111_D119
110C_SPT11:DA112_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)