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An Information Portal to 115918 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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20278 chemical components - 18849 as free ligands in 86269 PDB files - 1751 as non-standard polymeric components in 20879 PDB files

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