title: Complementary use of chemical modification and site-directed mutagenesis to probe structure-activity relationships in enzymes.
authors.forename: A T
authors.initials: AT
authors.lastname: Profy
authors.forename: P
authors.initials: P
authors.lastname: Schimmel
mesh_terms: D000596:Amino Acids; D001665:Binding Sites; D004798:Enzymes / Q000235:genetics* / Q000378:metabolism; D009154:Mutation
chemical_list: D000596:Amino Acids; D004798:Enzymes