Index PDB ID Protein Name Organism UniProt ID Ligand Name Canonical SMILES HET Code 1 2BKL Prolyl endopeptidase Pep Myxococcus xanthus Q9X5N2 Z-ALA PROLINAL c1ccccc1COC(=O)N2CCC[C@H]2C(=O)N3CCC[C@H]3C=O ZAH