>sp|A0RZ75|HIS7_CENSY Imidazoleglycerol-phosphate dehydratase OS=Cenarchaeum symbiosum GN=hisB MRKNESQRETKETEVSVSVLLDGTGSTTVNTGQPFLDHLVSSLGKHAMFDIDLKASSRDG IVHHLVEDVAITLGGAIDKALGDRSGIMRFGHASVPLDESLSEAVVDLVKRPYHRIEMKI KRPEVEGIAKEDLEHFFDSLLRNLDCCIHLTVKYGNNDHHRVESAIKSLAVALRMAVSAD PRREGPPSTKGSM