>tr|D0KSV6|D0KSV6_SACS9 Arginine decarboxylase proenzyme OS=Saccharolobus solfataricus GN=Ssol_1606 MSEREVLQKINSPEGKEDRIIGKHVFGNLYDIDAERLNDKEFLEKLVLEAVDIAHMKLVE IKAWSFGGKKGGVSVIALVEESHIALHTWNEYNYATLDVYTCGEDSDPQSAFAHIVNALN PKRYQMFYADRSSQ