(2S)-2-azido-N-[(2S)-3-(biphenyl-4-yl)-1-{[(2S)-1-{[(2S,3S,4R)-3,5-dihydroxy-4-methylpentan-2-yl]amino}-1-oxo-3-phenylpropan-2-yl]amino}-1-oxopropan-2-yl]-3-phenylpropanamide (non-preferred name)

P23724 — Proteasome subunit beta type-6