Tyropeptin A-4 is a proteasome inhibitor. References: Momose I, Abe H, Watanabe T, Ohba S, Yamazaki K, Dan S, Yamori T, Masuda T, Nomoto A. Antitumor effects of tyropeptin-boronic acid derivatives: New proteasome inhibitors. Cancer Sci. 2014 Dec;105(12):1609-15. doi: 10.1111/cas.12542. Epub 2014 Oct 21. PubMed PMID: 25251038; PubMed Central PMCID: PMC4317970.

纯度：≥98%

CAS：688737-89-5