>sp|A2BVC4|UCRI_PROM5 Cytochrome b6-f complex iron-sulfur subunit OS=Prochlorococcus marinus GN=petC MTQLSSNDVPSMGRRQFMNLLTFGTATGVALGALYPVANYFMPLRAGGGGGGTSAKDELG NPVTKTGWLANHQAGDRSLVQGLKGDPTYLIVNSEGDIGEFGLNAICTHLGCVVPWDSGA NKFICPCHGSQYDTNGKVVRGPAPLSLALAHVDVDDDAVLVKQWSETDFRTNENPWWA