A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 1-Apr-2020 number of released structures: 10687
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NDB ID: 2K4C  PDB ID: 2K4C 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
16A_A6:U67_A120
127A_A14:U8_A424
116A_A38:C32_A00
119A_A41:U29_A120
124A_C11:G24_A119
126A_C13:G22_A119
110A_C51:G63_A119
129A_C60:U59_A90
11A_G1:C72_A119
12A_G2:C71_A119
13A_G3:C70_A119
15A_G5:C68_A119
123A_G10:C25_A119
128A_G15:C48_A222
115A_G19:C56_A119
117A_G39:C31_A119
118A_G40:C30_A119
120A_G42:C28_A119
121A_G43:C27_A119
122A_G44:A26_A08
18A_G49:C65_A119
19A_G50:U64_A128
111A_G52:C62_A119
112A_G53:C61_A119
14A_U4:A69_A120
17A_U7:A66_A120
125A_U12:A23_A120
113A_U54:A58_A424
114A_U55:G18_A20

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

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