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An Information Portal to 108607 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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18766 chemical components - 17416 as free ligands in 80391 PDB files - 1652 as non-standard polymeric components in 19730 PDB files

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