Flucloxacillin

A structure of Flucloxacillin
A structure of Flucloxacillin

Overview of Flucloxacillin

Flucloxacillin is a narrow-spectrum, semisynthetic isoxazolyl penicillin with antibacterial activity. Floxacillin binds to and inactivates penicillin-binding proteins (PBPs) located on the inner membrane of the bacterial cell wall. Inactivation of PBPs interferes with the cross-linkage of peptidoglycan chains necessary for bacterial cell wall strength and rigidity. This interrupts bacterial cell wall synthesis and results in the weakening of the bacterial cell wall, eventually causing cell lysis.

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