>tr|K9QX34|K9QX34_NOSS7 Cytochrome b6 OS=Nostoc sp. GN=petB
MANVYDWFEERLEIQAIAEDVTSKYVPPHVNIFYCLGGITLVCFLIQFATGFAMTFYYKP
TVAEAYSSVQYIMNEVNFGWLIRSIHRWSASMMVLMMILHVFRVYLTGGFKKPRELTWVS
GVILAVITVSFGVTGYSLPWDQVGYWAVKIVSGVPEAIPVVGVLISDLLRGGSSVGQATL
TRYYSAHTFVLPWLIAVFMLFHFLMIRKQGISGPL