>tr|A0A088E5P3|A0A088E5P3_9CREN Arginine decarboxylase proenzyme OS=Metallosphaera sedula GN=HA72_1645 MSEQVTFQSHEDRIVGKHVFGNLYDIDPEDLNNEQLLKDLVLKAVEIAHMNLVEAKSWSF GGKKGGVSVIALIEESHIALHTWNEYNYATLDVYTCGEDSDPQAAFKFIVEALKPRRYQV FFADRSSS