~{N}-[(2~{S})-1-[[(2~{S})-1-[[(2~{S})-1-[4-(aminomethyl)phenyl]-4-methylsulfonyl-butan-2-yl]amino]-4-methyl-1-oxidanylidene-pentan-2-yl]amino]-4-methyl-1-oxidanylidene-pentan-2-yl]pyrazine-2-carboxamide

P30656 — Proteasome subunit beta type-5