4-[(2R)-3-{[(1S,2S,3R,4S)-1-(cyclohexylmethyl)-2,3-dihydroxy-5-methyl-4-({(1S,2R)-2-methyl-1-[(pyridin-2-ylmethyl)carba moyl]butyl}carbamoyl)hexyl]amino}-2-{[(naphthalen-1-yloxy)acetyl]amino}-3-oxopropyl]-1H-imidazol-3-ium

P04585 — Gag-Pol polyprotein