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Anti-MRSA agent 3 (compound 18) has highly inhibitory activity against Methicillin-resistant Staphylococcus aureus (MRSA) with MIC of 0.098 μg/ml, and low cytotoxicity in normal cells. Anti-MRSA agent 3 has relatively strong ability to destroy bacterial cell wall and membrane, high binding affinity to bacterial genomic DNA[1].

[1] Wang X, et al. Fascaplysin derivatives binding to DNA via unique cationic five-ring coplanar backbone showed potent antimicrobial/antibiofilm activity against MRSA in vitro and in vivo. Eur J Med Chem. 2022;230:114099. DOI:10.1016/j.ejmech.2021.114099