>tr|F0NBJ2|F0NBJ2_SULIR Arginine decarboxylase proenzyme OS=Sulfolobus islandicus GN=SiRe_1463 MSEQEVLQKNNSPEGKEDRIIGKHVFGNLYDIDAERLNDKEFLEKLVLEAVNIAHMKLVE IKAWSFGGKKGGVSVIALVEESHIALHTWNEYNYATLDVYTCGEDSDPQSAFAHIVNALN PKRYQMFYADRSSQ