>sp|O26839|HEM2_METTH Delta-aminolevulinic acid dehydratase OS=Methanothermobacter thermautotrophicus GN=hemB MSDNMEFPTKRMRRLRKSPQIRNILRETRLHPSDLIYPMFVSEKLGRGDVEAIDTMPGQF RYSVDDAVSEASRLEDEGLSSVLIFGMPSAKDELASAAHDPHGVVQRTVRRLKEETDLVV MTDVCLCQYTSHGHCGIVVDGEIVNDETLEVLSRIALSHAEAGADVVAPSDMMDGRVAAI RRSLDDAGFQDTLIMSYAVKYASAFYAPFRGAVSSAPAFGDRRSYQMDPANIDEALIEAE LDLREGADILMVKPALAYLDVIGKVRERFSVPLAAYNVSGEYSMLKAAIKSGYLTDEAIY ESILSIKRAGADLIISHFAPDLLGVI