Actagardin

Isolated from Actinoplanes sp. Beige powder. Soluble in ethanol, DMSO or aqueous acetonitrile. Tetracyclic class II lantibiotic. Structurally related to mersacidine. Antibiotic. Antibacterial against Gram-positive bacteria and Gram-negative microorganisms. Specifically inhibits peptidoglycan synthesis in the cell wall of Gram-positive bacteria, resulting in the accumulation of both uridine 5'-disphosphate-N-acetylmuramylpentapeptide and lipid II. Has the ability to form a complex with lipid intermediate II (lipid II).