>tr|A0A191T6K2|A0A191T6K2_9VIRI Cytochrome b6 OS=Klebsormidium sp. SAG 51.86 GN=petB MGKVYDWFEERLEIQAIADDVTSKYVPPHVNIFYCLGGITLTCFLVQVATGFAMTFYYRP TVTEAFASVQYLMTDVNFGWLIRSVHRWSASMMVLMMILHVFRVYLTGGFKKPRELTWVT GVILAVLTVSFGVTGYSLPWDQVGYWAVKIVTGVPEAIPVIGSPLVELLRGSVSVGQSTL TRFYSLHTFVLPLLTAVFMLMHFLMIRKQGISGPL