>sp|Q02250|HEM2_METSC Delta-aminolevulinic acid dehydratase OS=Methanothermus sociabilis GN=hemB MKFPYTRMRRLRKNSKIRSLVKETTLSKDDLIYPVFVKEGIKTKEKIPKMPGQYRYSVDE LIDEAKKLEEKGLKAILVFGIPKKKDKYGSSAYDPNGIVQKSVKLLKEETDLVVITDVCL CQYTEHGHCGIVKNKKIVNDETLKYLSKVALSHAEAGADVVAPSDMMDGRVKAIREELEK NGFDDVIIMSYSAKYASSFYEPFRSAVYSSPAFGDRSTYQMDPPNSLEALREVKLDIDEG ADIVMVKPALPYLDIIRLVKDTFGVPTAAYNVSGEYSMIKAAIDANYLSNKVIIETLLSI KRAGADLIITHFAPEIVEEI