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134436 Biological Macromolecular Structures Enabling Breakthroughs in Research and Education

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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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24003 chemical components - 22454 as free ligands in 100911 PDB files - 1882 as non-standard polymeric components in 23392 PDB files

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