>tr|D2PCN7|D2PCN7_SULID Arginine decarboxylase proenzyme OS=Sulfolobus islandicus GN=LD85_1796 MSEQEVLQKNNSPEGKEDRIIGKHVFGNLYDIDAERLNDKEFLEKLVLEAVNIAHMKLVE IKAWSFGGKKGGVSVIALVEESHIALHTWNEYNYATLDVYTCGEDSDPQSAFAHIVNALN PKRYQMFYADRSSQ