>sp|Q46J19|HISX_PROMT Histidinol dehydrogenase OS=Prochlorococcus marinus GN=hisD MTQIINKDEVQETSSKKLTIKTANSIDQAQFELRKITERTSGTVQDEAIKVVDDILKNVR ERGDEALTEYTSRFDGFLTEKFQVSSDLILKAWEETPRELQDSLLLAKKRIEKFHSLQVP KNITYTGPNGETLGRRWSPVEKAGIYVPGGRAAYPSTVLMNAIPAYVAGVNQIIMVSPAN SQGEINQTVLAAAHITGINKIFRLGGAQAICALASGTESIPKVDVITGPGNIYVTLAKKK VYGKVGIDSLAGPSEILIIADQSAKLEHVASDMLAQSEHDPLASAILITTNTKLAEKLPA EINRQLINHPRLKICQESISNWGLIVLCDDLETCAQLSDTFAPEHLELLVEDPKKLSESI NNAGAIFMGPWSPEAIGDYLGGPNHTLPTSGTARFAGALGVETFMKNTSLIDFSKEAFNE NKNAVVQLANSEGLHSHAESIRIRDSKSF