title: Aspects of the biosynthesis of beta-lactam antibiotics.
mesh_terms: D000164:Acremonium / Q000378:metabolism; D000900:Anti-Bacterial Agents / Q000096:biosynthesis*; D002511:Cephalosporins / Q000096:biosynthesis; D055598:Chemical Phenomena; D002621:Chemistry; D004798:Enzymes / Q000378:metabolism; D005658:Fungi / Q000235:genetics / Q000378:metabolism*; D008968:Molecular Conformation; D009154:Mutation; D009842:Oligopeptides / Q000096:biosynthesis / Q000378:metabolism; D010088:Oxidoreductases; D010406:Penicillins / Q000096:biosynthesis; D010407:Penicillium / Q000378:metabolism; D013302:Streptomyces / Q000378:metabolism; D013379:Substrate Specificity
chemical_list: D000900:Anti-Bacterial Agents; D002511:Cephalosporins; D004798:Enzymes; D009842:Oligopeptides; D010406:Penicillins; C011638:5-(2-aminoadipyl)cysteinylvaline; D010088:Oxidoreductases; C038370:isopenicillin N synthetase