>tr|A0A832T2H5|A0A832T2H5_9CREN Histidinol dehydrogenase OS=Pyrobaculum aerophilum GN=hisD MRGFPREVLESVWKIVDDVQSGGLKAALEYSKRLDGVAPEPHLVTPRQGGDPEVVSAALA AAKSLEALYSRISPPAAVDFYGGILRQILWKPVRRAALYVPARYISTLVMLAVPARLAGV EEVYVVTPPRGVSEELLAVAKELGVKAVLALGGPHGLAYAVFHMGVDVVAGPGGLYVQAA KYILSQYVGIDGIEGPTELVIYAEGVPPEVAVRGALAQLEHGPTSFAYLLSPDGELLKKA EELYVRERTSSMGPLKVKKVGGIDEAVSFIDEIAPEHLEVWGRREVAYRVRNVGAVSVNM PSPYLDYVAGISHVLPTGGTARWRGVITPLAFMKPIGIAEAVGELTLREAARKLAEYEGF KYHGEALR