>sp|C3N6B5|SPEH_SULIA S-adenosylmethionine decarboxylase proenzyme OS=Sulfolobus islandicus GN=speH MGVELAFPKVVGKQVYGSLYDCDENVLKDTKRLEQIIKEAADVGNMNILDIKSWKIGEGV SVVAIILESHITIHTWPEYKFATVDVYSCGPHTSPLKAFNYIVEKLGAKKYTINEADRSS EF