title: A simplified radioassay method of dihydropteroate synthetase activity in Escherichia coli and its application for an inhibition study of p-aminobenzoi  acid derivatives.
mesh_terms: D000098:Acetophenones; D062365:Aminobenzoates; D000618:Aminohippuric Acids; D000636:Aminosalicylic Acids; D002247:Carbon Isotopes; D004926:Escherichia coli / Q000201:enzymology*; D005971:Glutamates; D007700:Kinetics; D008025:Ligases / Q000032:analysis / Q000037:antagonists & inhibitors; D008433:Mathematics; D011427:Propiophenones; D011621:Pteridines; D013411:Sulfadiazine; D013418:Sulfamethazine; D013424:Sulfanilamides; D013432:Sulfathiazoles
chemical_list: D000098:Acetophenones; D062365:Aminobenzoates; D000618:Aminohippuric Acids; D000636:Aminosalicylic Acids; D002247:Carbon Isotopes; D005971:Glutamates; D011427:Propiophenones; D011621:Pteridines; D013424:Sulfanilamides; D013432:Sulfathiazoles; D013411:Sulfadiazine; D013418:Sulfamethazine; D008025:Ligases