>sp|A2C0R9|UCRI_PROM1 Cytochrome b6-f complex iron-sulfur subunit OS=Prochlorococcus marinus GN=petC MTQMTTADVPSMGRRQFMNLLTFGTVTGVALGALYPVAQYFTPYRAGGGGGGTNAKDELG NNVSASGWLSTHPVGDRSLVQGLKGDPTYLIVEGEDAITSYGINAICTHLGCVVPWNSGA NKYMCPCHGSQYDSTGKVVRGPAPLSLAIAHVSIEDDQVLVSQWTETDFRTGTDPWWG