alphostatin

(organic chemistry) A phosphopeptide, 1-O-[(2S,3S)-2-[[(2S,3S)-2-amino-3-methylpentanoyl]amino]-3-methylpentanoyl] 5-O-phosphono (2S)-2-[[(2S)-5-amino-2-[[(2S)-2-amino-3-hydroxypropanoyl]amino]-5-oxopentanoyl]amino]pentanedioate, that is a phosphatase inhibitor