>sp|Q978U9|HEMH_THEVO Ferrochelatase OS=Thermoplasma volcanium GN=hemH MKTAVLLLSYGSPEKMSDIDEYLSKIFGGKPVPKGVAEENYRKYEMFGGLSPSNRIIQSI RDRLQKRFDQSGDVDVFTAFKHWYPSIGEVVPDLKGYDNIVSIPLFSFFSENVKASYYKP LAEALEKNDIRTKMEFVNGISNYDLFIPMWIHLIEEKEKGDSFYLFDAHSLPHPENEEDY LFWLRYSTYKITQIMGLRSSDFGFQGGHEGWLGPSIYNVYRKAKEKKIIAVPISFLYDHL EILYDLDYEFRKKIEEDGYSYERVPMPNDSAIFITLLERIVSSSITHLSGELIGNGKEKS ENFI