肽类抗生素;Peptide antibiotic;多肽抗生素,抑制焦磷酸脂(lipid pyrophosphate)的去磷酸化,从而抑制细菌细胞壁的合成。;Bacitracin zinc salt is a peptide antibiotic used to study dysruption of bacterial cell wall synthesis at the level of peptidoglycan biosynthesis and isoprenyl metabolism. It is used to study the biosynthesis of sterols and squalene.