207990-63-4

Polymyxin E1 is a peptide antibiotic and a major constituent of the cationic lipopeptide antibiotic colistin (Item No. 17584) originally isolated from B. polymyxa.1 It is active against P. aeruginosa and E. coli (MICs = 2 and 0.8 µg/ml, respectively).WARNING This product is not for human or veterinary use.

[1] T. KLINE. Synthesis and characterization of the colistin peptide polymyxin E1 and related antimicrobial peptides[J]. Chemical Biology & Drug Design, 2004, 57 3: 175-187. DOI: 10.1111/j.1399-3011.2001.00835.x