>sp|P73058|HISX_SYNY3 Histidinol dehydrogenase OS=Synechocystis sp. GN=hisD MTRILKLSHLTPQQLNQLKRRSEQNIDQALAIAKEVIEQVKMEGDAGVLHYSRQFDFAGA TAENLRVSEAEFAEAEKLVDPELRRAVEHAFRNIEKVHAGQMPPPMHLAEIEPGVFAGEK ITPLPTVGLYVPRGKGAFPSMMLMLAVPARVAGVKKIVVCTPPDKEGKVEPVSLVTARMA GVDEVYKLGGVQALAAIAYGTKTVSKVDKLIGPCSIYGAAAKRLLSGIVDVGLPAGPSES IVLADETTDPKLAALDLLIEAEHGSDSAALLVTHSASLAEKALGYLGEYLEKLPPWRKKF CEDGLGSYGGILLTDSLQASLDFINDYAPEHLQVLTADPLKLVGKIDNAGEILLGNYTPS SAATYAIGVNAVLPTGGFARSYSAVSVFDFLKRSTLAYLTEEGFAGVKETVTTLADYEDF PAHALAIRERENLL