title: Colorimetric assay of penicillin amidase activity using phenylacetyl-aminobenzoic acid as substrate.
mesh_terms: D000581:Amidohydrolases / Q000032:analysis*; D003124:Colorimetry / Q000379:methods; D004355:Drug Stability; D004926:Escherichia coli / Q000201:enzymology; D007700:Kinetics; D010209:Paper; D010399:Penicillin Amidase / Q000032:analysis*
chemical_list: D000581:Amidohydrolases; D010399:Penicillin Amidase