As the new peptides contain cationic amino acid residues, they can bond with the negatively charged bacterial membrane and penetrate it.
由于新的多肽中含有阳离子氨基酸残基，所以他们可以和带负电的细菌膜并渗透进去。
3
These self-complementary peptides contain 50% charged amino acid residues, and are characterized by periodical repeats of alternating ionic hydrophilic and uncharged hydrophobic residuals.