The molecule is a beta-lactone proteasome inhibitor derived from lactacystin. It has a role as a proteasome inhibitor. It is a beta-lactone and a lactam. It derives from a lactacystin.
(1R,4R,5S)-1-[(1S)-1-hydroxy-2-methylpropyl]-4-propyl-6-oxa-2-azabicyclo[3.2.0]heptane-3,7-dione