Polymyxin B nonapeptide acetate(86408-36-8 free base) 是一种阳离子环肽。 Polyxin B 九肽是 polyxin B 经酶解产生的衍生物。与 polyxin B 相比,polyxin B 九肽毒性低,缺乏杀菌活性,仍具有破坏革兰氏阴性菌外膜的能力。
Polymyxin B nonapeptide, a cationic cyclic peptide derived by enzymatic processing from the naturally occurring peptide polymyxin B, is able to increase the permeability of the outer membrane of Gram-negative bacteria toward hydrophobic antibiotics probab