N-acetylmuramyl pentapeptide

例句：

1. 1. This protein is a key component of the immune system.
   这种蛋白质是免疫系统的关键成分。
2. 2. The study found that this peptide could be used as an antimicrobial agent.
   研究发现，这种肽可以作为抗菌剂使用。
3. 3. The researcher discovered that the N-acetylmuramyl pentapeptide could inhibit the growth of bacteria.
   研究者发现，N-乙酰胞壁酸五肽可以抑制细菌的生长。