(2~{S})-~{N}-[(2~{S},3~{R})-1-[(1~{S},4~{a}~{S},8~{a}~{R})-1,2,3,4,4~{a},5,6,7,8,8~{a}-decahydronaphthalen-1-yl]-4-methyl-3,4-bis(oxidanyl)pentan-2-yl]-3-(4-methoxyphenyl)-2-[[(2~{S})-2-(2-morpholin-4-ylethanoylamino)propanoyl]amino]propanamide

P25451 — Proteasome subunit beta type-3