Kasugamycin HydroHClide Hydro(Ksg) 特异性抑制经典信使 RNA 的翻译起始，但不抑制无前导信使 RNA 的翻译起始。 Ksg 抑制被认为是通过与起始转移 RNA 直接竞争而发生的。

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 probably by binding to the bacterial lipopolysaccharide (LPS)

一种抗生素，可作为蛋白质合成抑制剂。