>tr|A0A9X7Y072|A0A9X7Y072_9CREN Arginine decarboxylase proenzyme OS=Sulfolobus sp. S-194 GN=speD MSSQLISLVNTDRIIGKHVFGNLYDIDPKILNDKDFLHNLVLEAVKIANMKLVEIKSWNF GGKKGGVSVIALVEESHIALHTWTEYNYATLDVYTCGENSNPQAAFEYIVSQLKPKRYQM FYADRSSE