>sp|A8AN26|NRFA_CITK8 Cytochrome c-552 OS=Citrobacter koseri GN=nrfA MARTILRARRFFSLILPFFFISSVYAEQTSVPAKTVTVEAKNETFAPQHPDQYLSWKATS EQSTREDALAEDPRLVILWAGYPFSRDYNKPRGHAYAVTDVRETLRTGAPKNAEDGPLPM ACWSCKSPDVARLIQKDGEDGYFHGKWARGGPEIVNALGCADCHNTASDDFAKGKPALTL SRPYAERAMETIGKPFDKASRFDQQSMVCGQCHVEYYFDGKNKAVKFPWDEGTKVEDMEK YYDAIAFSDWTNPLSKTPMLKAQHPEYETWSVGIHGKNNVTCIDCHMPKVQNAEGKLYTD HKIGNPFDNFAQTCANCHTQDKASLQKVVAERKQAIHDLKIKVEDQLVHAHFEAKAAWDA GATEAEMKPILDDIRHAQWRWDLAIASHGIHMHAPDEGLRMLGGAMDKAADARTKLVRLL GSKGITHEIPLPDISTKEKAQKAIGLNMQQINAEKQDFIKTVIPQWEDQARKNGLLSQ