Index PDB ID Protein Name Organism UniProt ID Ligand Name Canonical SMILES HET Code 1 2Z8J Glutathione hydrolase proenzyme Escherichia coli (strain K12) P18956 AZASERINE N[C@@H](COC(=O)C=[N+]=[N-])C(O)=O AZS 2 2Z8I Glutathione hydrolase proenzyme Escherichia coli (strain K12) P18956 AZASERINE N[C@@H](COC(=O)C=[N+]=[N-])C(O)=O AZS