Catalyzes the sequential NAD-dependent oxidations of L- histidinol to L-histidinaldehyde and then to L-histidine (By similarity). Histidinol dehydrogenase MDIEEYVREILKDIRERGLEAIREYSKKFDGYEGPFEVSKEEFKEAEERIPERDKEIIKRTLKRIEKYHRKQLKQDILYIENGSLYGLIYKPLKRIGIYVPGGKPLPSTLMMVGVPARVAGVKEIVVTNPPKDGKVNPYILYIAKLLKIEEVYKLGGIQAIAAMAYGIGMKKVQKIFGPGNKFVNEAKRQVFGIVGIDSLAGPSEIAVIADESADKDFVLYDLLSQLEHGKDSKAWLLTTSKELADYCNREGITVIVCSSLEECCKKANEIAPEHLEIITREPLKLVDLIENAGAIYLGLYTPVPAADYFLGVNHVLPTGGAAKFMGVLTVWDFMKPISIAMVSREEFISERELGIRLAEIEGIELHKKSLEVRK PF1659 hisD 375 HISX_PYRFU