>sp|O66976|HISX_AQUAE Histidinol dehydrogenase OS=Aquifex aeolicus GN=hisD PE=3 SV=1 MRIEDLRKEDWKLNERLEYLAKRGEILEEEYEKSVKEILKRVREEGDRAVIEFTKKFDGV ELTPENMEVPFEELEKAYEEIEPEVREALEFAENRIRVFHEKQLENSFFKEEEGIILGQK VVPLEKVGVYVPGGKAAYPSTVLMNVVPASVAGVEEIIMVSPKPNKYTLAAAYIAGVSRV FQVGGAQAIGALAYGTEKIPKVDKIVGPGNIYVALAKKLVFGTVDIDMIAGPSEVLVIAD ERANPTWVAADMLSQAEHDELAASILLTPSEELANKVKEEVERLLSQLERKEIAQKSLEK FGTIFLVKDLYHACEVANYIAPEHLEVMVREPMALLPELKHAGAIFLGDYTTEPLGDYVL GPNHTLPTGGSTRFFSPLGVYDFIKRSSVLYVSREGFKRVANQAEAIAKAEGLTAHALAV KVRKND