The molecule is an epoxide that is oxiran-2-ylmethanol which is acylated at position 2 by an N-(isovaleroyl)threonylleucinyl group. It is a proteasome inhibitor isolated from Saccharothrix. It has a role as a proteasome inhibitor, an antineoplastic agent, an antimicrobial agent and a bacterial metabolite. It is a primary alcohol, a secondary alcohol, a ketone, an epoxide and a monocarboxylic acid amide.
N-[(2S,3R)-3-hydroxy-1-[[1-[2-(hydroxymethyl)oxiran-2-yl]-4-methyl-1-oxopentan-2-yl]amino]-1-oxobutan-2-yl]-3-methylbutanamide