>sp|Q4J932|ARGDC_SULAC Arginine decarboxylase proenzyme OS=Sulfolobus acidocaldarius GN=Saci_1363 MSQQLSSQTPSNQDRIVGKHVFGNLYDIDDKLLMDKDLLEGLVLEAVKIAKMNLVEIKSW SFGGKKGGVSVIALVEESHIALHTWNEYKYATLDVYTCGVDSNPQAAFEFIVSNLKPKRH QMFFADRSSE