>sp|Q4G3F8|CYB6_EMIHU Cytochrome b6 OS=Emiliania huxleyi GN=petB MSSVYDWFQERLEIQAIADDITSKYVPPHVNIFYCLGGITLTCFIVQVATGFAMTFYYRP TVTEAFASVEYLMTEVNFGWLIRSVHRWSASMMVLNMILHVCRVYLTGGFKKPRELTWVT GVLLASVTVSFGVTGYSLPWDQVGYWACKIVTGVPDAVPIVGGLIVQVLRGGVSVGQSTL TRFYSAHTFVLPVVAAVLMLTHFVMIRKQGISGPL