>sp|Q3ALY0|UCRI_SYNSC Cytochrome b6-f complex iron-sulfur subunit OS=Synechococcus sp. GN=petC MTQLSSSDVPGMGRRQFMNLLTFGSVTGVALGALYPVANYFIPPKAAGSGGGTSAKDELG NPITASGWLSSHPEGDRSLVQGLKGDPTYLIVEGEDAIGSYGINAICTHLGCVVPWNSGA NKFMCPCHGSQYDSTGKVVRGPAPLSLALANVSVENDNVFVSQWTETDFRTGDKPWWA