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An Information Portal to 109822 Biological Macromolecular Structures

Chemical component search  

The Chemical Component Dictionary gives detailed chemical descriptions of all residue and small molecule components found in PDB entries including standard and modified amino acids/nucleotides, small molecule ligands and solvent molecules.

 





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19057 chemical components - 17693 as free ligands in 81412 PDB files - 1672 as non-standard polymeric components in 19927 PDB files

Ligand Expo   is another browser for the Chemical Component Dictionary and supports searches for current and obsolete chemical components.