title: Biosynthesis of penicillin in vitro: purification & properties of 'phenyl/phenoxyacetic acid activating enzyme'.
mesh_terms: D003066:Coenzyme A Ligases / Q000302:isolation & purification* / Q000378:metabolism; D010406:Penicillins / Q000096:biosynthesis*; D010407:Penicillium / Q000201:enzymology*; D010408:Penicillium chrysogenum / Q000201:enzymology*
chemical_list: D010406:Penicillins; D003066:Coenzyme A Ligases; C023914:phenylacetate - CoA ligase