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Semisynthetic ampicillin-derived acylureido penicillin. It has been proposed for infections with certain anaerobes and may be useful in inner ear, bile, and CNS infections.
- Mechanism
- Curator reviewed
By binding to specific penicillin-binding proteins (PBPs) located inside the bacterial cell wall, mezlocillin inhibits the third and last stage of bacterial cell wall synthesis. Cell lysis is then mediated by bacterial cell wall autolytic enzymes such as autolysins; it is possible that mezlocillin interferes with an autolysin inhibitor.
- Primary indication
- Used to treat serious gram–negative infections of the lungs, urinary tract, and skin.Curator reviewed
- Formula / weight
- C21H25N5O8S2 · 539.582 g/mol (avg)
- Code names
- BAY-F-1353
Resolves to
YPBATNHYBCGSSN-VWPFQQQWSA-NSMILES[H][C@]12SC(C)(C)[C@@H](N1C(=O)[C@H]2NC(=O)[C@H](NC(=O)N1CCN(C1=O)S(C)(=O)=O)C1=CC=CC=C1)C(O)=OWhat you can answer from here — as of September 14, 2026
Which drugs share a target with Mezlocillin, and which of those have an active Phase 3 trial?