>pdb|7R0W|A Chain A, Cytochrome b6 MFSKEVTESKVFQWFNDRLEVQAISDDIASKYVPPHVNIFYCLGGLTLTCFLIQFATGFAMTFYYKPTVTEAFASVQYIM NEVNFGWLIRSIHRWSASMMVLMMILHVFRVYLTGGFKKPRELTWVVGVMLAVTTVTFGVTGYSLPWDQVGYWAVKIVSG VPAAIPVVGDQLVTLMRGSESVGQATLTRFYSLHTFVLPWAIAVLLLLHFLMIRKQGISGPL