The molecule is a homodetic cyclic tetrapeptide made up from L-alanyl, D-alanyl, L-prolyl and 2-amino-8-oxo-9,10-epoxydecanoyl residues. It has a role as an EC 3.5.1.98 (histone deacetylase) inhibitor, a metabolite, a phytotoxin and an antineoplastic agent. It is a homodetic cyclic peptide and a tetrapeptide.
(3S,6R,9S,12R)-6,9-dimethyl-3-[6-(oxiran-2-yl)-6-oxohexyl]-1,4,7,10-tetrazabicyclo[10.3.0]pentadecane-2,5,8,11-tetrone