>tr|A0A2G8PAZ6|A0A2G8PAZ6_9SYNE Cytochrome b6-f complex iron-sulfur subunit OS=Synechococcus sp. 60AY4M2 GN=petC MTEAVSNFEAPPMSRRVFLNALLSSSVGVVVVGTLYPVVKYFIPPSSGGAGEGVIAQDAL GKPISVSELLATHAATDRVLAQGLKGDPTYIVIDNGAVANYGLNAVCTHLGCVVPWNAGE NLFKCPCHGSQYAANGKVIRGPAPRSLELVSATVDGDNVRFSPWQGPDFREA