N-[(2S)-3-(3-tert-butyl-1,2,4-oxadiazol-5-yl)-1-({(2S)-1-[(4-methylbenzyl)amino]-1-oxo-4-phenylbutan-2-yl}amino)-1-oxopropan-2-yl]-5-methyl-1,2-oxazole-3-carboxamide

P30656 — Proteasome subunit beta type-5