The molecule is a twelve-membered polypeptide comprising the sequence Tyr-Ile-Ile-Lys-Gly-Val-Phe-Trp-Asp-Pro-Ala-Cys. Corresponds to the P34165[22-33] fragment of mating hormone A-factor 1 from Saccharomyces cerevisiae (strain ATCC 204508/S288c). It has a role as a Saccharomyces cerevisiae metabolite.
(3S)-3-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-6-amino-2-[[(2S,3S)-2-[[(2S,3S)-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]-3-methylpentanoyl]amino]-3-methylpentanoyl]amino]hexanoyl]amino]acetyl]amino]-3-methylbutanoyl]amino]-3-phenylpropanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-4-[(2S)-2-[[(2S)-1-[[(1R)-1-carboxy-2-sulfanylethyl]amino]-1-oxopropan-2-yl]carbamoyl]pyrrolidin-1-yl]-4-oxobutanoic acid