>sp|Q7V5N9|HISX_PROMM Histidinol dehydrogenase OS=Prochlorococcus marinus GN=hisD MTQSGQAESETPSTLIHCVRDRQQAKRELERLANRSTGNSQKQAMATVEDILDTVRSQGD QALITLTERFDGFRPEPLTVAPEELEDAWRKTPQKLQSALELAYRRIQDFHQHQRPNDLM VQGIHGEQLGRRWRPVQKAGIYIPGGRAAYPSTVLMNAVPAQVAGVEQLVMTSPAGRDGQ INRTVLAAAHLAGIREVLRLGGAQAIAALAFGTETVPKVDVISGPGNLYVTLAKKAVYGQ VGIDSLAGPSEVLVIADQSARVEQVAADLLAQSEHDPLAAAVLLTTEASLAEQLPSHLEA QLKGHPREQICRASLSNWGLVVICESLERCAQLSDHFAPEHLELLVEHPHAIADCIKNAG AIFIGPWTPEAVGDYLAGPNHTLPTCGTARFSGALSVETFLRHTSLIEFNRSALEATANA VRELASSEGLHSHAESVRIRFE