>tr|F0NIC3|F0NIC3_SACI5 S-adenosylmethionine decarboxylase proenzyme OS=Saccharolobus islandicus GN=speH MGVELAFPKVVGKQVYGSLYDCDENVLKDTKRLEQIIKEAADVGNMNILDIKSWKIGEGV SVVAIILESHITIHTWPEYKFATVDVYSCGPHTSPLKAFNYIVEKLGAKKYTINEADRSS EF