>sp|P73448|NARB_SYNY3 Nitrate reductase OS=Synechocystis sp. GN=narB MDSPAILPTTRTLCPYCGVGCGLEAVASPQKSVVDAGHAHKIRGDRQHPSSQGMVCVKGA TVMESMDKQRLLYPMFRSSLDQPWQQISWEAALEIVVDKIQQVKQTLGVSGLCMYASGQM QTEDYYVAQKLFKGCLGTNNFDTNSRLCMSSAVSAYSLSFGSDGPPCCYEDLEITDCAFL IGTNTADCHPIIFNRLRKHHKQNPHVKLIVVDPRCTATAEVADLHLAINPGSDITLLHGI AYLLKKWNLIDQKFIDNHTQDFEQYCQVIDHYPPEKVTQICGISLEQLETAAHYWGNAKT VLSLWSMGMNQSFQGTAKGRCLINLHLLTGQIGKPGSGPFSLTGQPNAMGGREAGGLSHL LPGYRSIKNPQHRQEVEQLWQISPGRINPEPGLSAWEMFMGLENQQVGFLWIVATNPVVS MPDLERVKKALQQSTFTIHQDAYSPTETAEYAHLLLPAAQWSEKTGTMTNSERRVTLSPA FRSPPGEARPDWEIFAEVGRRLGFENQFNFVDSAAVHREYVQLTAERLCDQSGVSYEKLQ KLGPLQWPCRQSDQESQLLSTKRLYTDYKFCTENGRANFCLDHSRGLAEPVDPNYPFVLT NGRLYGHWHTQTRTGHIEKIKKMHPKPILEMHPKDAEKLGIKSQDLVAIKSRRGSAQLEV LVTRAIAPGTVFMPMHWGFLWDDNAEVNSLTHATACPISKQPELKACAVNITPV