Substance P (5-11), the C-terminal heptapeptide of Substance P (Substance P (HY-P0201)), is a neuropeptide. Substance P (5-11) binds to NK-1 tachykinin receptor[1].
References
[1] A Inoue, et al. Active uptake system for substance P carboxy-terminal heptapeptide (5-11) into a fraction from rabbit enriched in glial cells. Jpn J Pharmacol. 1984 Oct;36(2):137-45. DOI:10.1254/jjp.36.137
