(2~{S})-3-(1~{H}-indol-3-yl)-~{N}-[(2~{S},3~{S},4~{R})-4-methyl-3,5-bis(oxidanyl)-1-phenyl-pentan-2-yl]-2-[[(2~{R})-2-(2-morpholin-4-ylethanoylamino)propanoyl]amino]propanamide

P28063 — Proteasome subunit beta type-8