>sp|A6UUL6|SPEH_META3 S-adenosylmethionine decarboxylase proenzyme OS=Methanococcus aeolicus (strain ATCC BAA-1280 / DSM 17508 / OCM 812 / Nankai-3) OX=419665 GN=speH PE=3 SV=1 MKHLGKHLIMELWDCDKQALDNQAGVEKMLEDATNSCGATLICIRTHKFSPQGVTGVAVL AESHISIHTWPEIGYAAMDIFTCGEHVNPEDAIPAIRDFLKPAKFDIIDIKRGSMVE