The molecule is a tetrapeptide comprising (2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl, L-valyl, L-valyl and L-aspartic acid units joined in sequence It has a role as a protease inhibitor and an EC 3.4.11.* (aminopeptidase) inhibitor.
(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]butanedioic acid