The molecule is an epoxide that is oxiran-2-ylmethanol which is acylated at position 2 by an N-[(2S)-3-amino-2-methyl-3-oxopropanoyl]-L-threonyl-L-threonylleucinyl group. It is a proteasome inhibitor isolated from Streptomyces sp. TC 1087. It has a role as an antimicrobial agent, a proteasome inhibitor and a bacterial metabolite. It is an epoxide, a ketone, a primary alcohol, a secondary alcohol and a dicarboxylic acid diamide.
(2S)-N'-[(2S,3R)-3-hydroxy-1-[[(2S,3R)-3-hydroxy-1-[[1-[2-(hydroxymethyl)oxiran-2-yl]-4-methyl-1-oxopentan-2-yl]amino]-1-oxobutan-2-yl]amino]-1-oxobutan-2-yl]-2-methylpropanediamide