>sp|Q4FQF8|HISX_PSYA2 Histidinol dehydrogenase OS=Psychrobacter arcticus GN=hisD MRQLSTQDADFDSQLTELLAFETVNDATLLTTVDDIIARVRHGGDSVVLELTQQFDQHPA TTTQALELSKEALAEAFANLDDVVKSALITAATRVKTFHERQVQETWQYEDELGNRLGQK VTALDRVGIYVPGGLASYPSSVLMNAIPAKVAGVKEVIMVVPAPKGVLNPLVLAAAHLAK VDRVFTIGGAQAVAALAYGTETIPAVDKITGPGNKYVAAAKRAVFGQVGIDMIAGPSEVL VYAEGEAQDRADWLAMDLLSQAEHDRIAQAIFVTTSAQQLKEVAIEIEKALAELPKADIA RDSLKNRGVLILVRDREEGMAVINRVAPEHLELSVDHPDALLNSIRHAGAIFMGRHTPEA IGDYCAGPNHVLPTSGTARFSSPLGVYDFQKKSSIIYCSESGSKPLAQTADILAQHEDLE AHARSARYRYQ