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An Information Portal to 131905 Biological Macromolecular Structures

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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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23502 chemical components - 21968 as free ligands in 98925 PDB files - 1866 as non-standard polymeric components in 23058 PDB files

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