>sp|Q60178|HEM2_METJA Delta-aminolevulinic acid dehydratase OS=Methanocaldococcus jannaschii GN=hemB MFKINLGDFMLIRPRRLRKNQKIRDLVRETILTKNDLIMPIFVDENLKGNEKKEISSMPN QYRFSVEGAIEEAKEIADLGIPAVILFGIPKHKDEIASSAYDKNGVVQRTIRGIKEELGD ELLVIADCCLCEYTSHGHCGIVKDGKILNDATLPILAKIALSYADAGVDIVAPSDMMDGR VRAIREILEENGYDDVAIMSYSAKYASSFYGPFREAAESAPKFGDRKSYQMDIGNAREAL KEIALDIEEGADLILVKPALPYLDIIRMAKDRFDVPIGGYCVSGEYAMVEAAARNGWLDR EKVIYEILLSIKRAGADFIITYWAKEVAEIGLSQE