Polymyxin B nonapeptide (Standard)

Description

Polymyxin B nonapeptide Standard is the analytical standard of Polymyxin B nonapeptide. This product is intended for research and analytical applications. Polymyxin B nonapeptide is a cyclic peptide obtained from Polymyxin B by proteolytic removal of its terminal amino acyl residue. Polymyxin B nonapeptide is less toxic, lacks bactericidal activity, and retains its ability to render gram-negative bacteria susceptible to several antibiotics by permeabilizing their outer membranes 1 2 3 .