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An Information Portal to 106858 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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18416 chemical components - 17081 as free ligands in 78971 PDB files - 1634 as non-standard polymeric components in 19451 PDB files

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