Penicillin-binding proteins articles from across Nature Portfolio

Penicillin-binding proteins (PBPs) are bacterial proteins that bind to penicillin and other antibiotics of the β-lactam class. Penicillin-binding proteins are generally enzymes involved in peptidoglycan biosynthesis, so contribute essential roles in bacterial cell wall biosynthesis. PBPs bind β-lactam antibiotics because their chemical structure is similar to that of the sugar–amino acid backbone that forms peptidoglycan.

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