(2~{S})-~{N}-[(3~{S},4~{R})-1-cyclohexyl-5-methyl-4,5-bis(oxidanyl)hexan-3-yl]-3-(4-methoxyphenyl)-2-[[(2~{S})-2-(2-morpholin-4-ylethanoylamino)propanoyl]amino]propanamide

P30656 — Proteasome subunit beta type-5