>tr|A0A8I1X129|A0A8I1X129_PROMR Cytochrome b6-f complex iron-sulfur subunit OS=Prochlorococcus marinus str. XMU1401 GN=petC MTQLSSNDVPSMGRRQFMNLLTFGTATGVALGALYPVANYFMPLRAGGGGGGTSAKDELG NPITKTGWLATHQAGDRSLVQGLKGDPTYLIVNEGGEIGEFGLNAICTHLGCVVPWDSGA NKFICPCHGSQYDTNGKVVRGPAPLSLALAHVDIEDDAVLVKQWSETDFRTNENPWWA