>tr|A0A9D9BUY5|A0A9D9BUY5_PROMR Cytochrome b6-f complex iron-sulfur subunit OS=Prochlorococcus marinus CUG1433 GN=petC MTQLSSNDVPSMGRRQFMNLLTFGTATGVALGALYPVANYFMPLRAGGGGGGTSAKDELG NPITKTGWLATHQAGDRSLVQGLKGDPTYLIVNEGGEIGEFGLNAICTHLGCVVPWDSGA NKFICPCHGSQYDTNGKVVRGPAPLSLALAHVDIEDDAVLVKQWSETDFRTNENPWWA