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

P25043 — Proteasome subunit beta type-2