title: Monocyclic beta-lactam antibiotics produced by bacteria.
mesh_terms: D000900:Anti-Bacterial Agents / Q000096:biosynthesis* / Q000494:pharmacology; D001407:Bacillus / Q000378:metabolism*; D002509:Cephaloridine / Q000494:pharmacology; D004754:Enterobacter / Q000201:enzymology; D004926:Escherichia coli / Q000201:enzymology; D007709:Klebsiella / Q000201:enzymology; D010400:Penicillin G / Q000494:pharmacology; D013211:Staphylococcus aureus / Q000201:enzymology; D001618:beta-Lactamases / Q000378:metabolism; D047090:beta-Lactams / Q000096:biosynthesis* / Q000494:pharmacology
chemical_list: D000900:Anti-Bacterial Agents; D047090:beta-Lactams; D001618:beta-Lactamases; D002509:Cephaloridine; D010400:Penicillin G