>sp|Q7U566|UCRI_PARMW Cytochrome b6-f complex iron-sulfur subunit OS=Parasynechococcus marenigrum GN=petC MTQLSSSDVPGMGRRQFMNLLTFGSVTGVALGALYPVVNYFIPPRAAGAGGGTTAKDELG NAITATGWLSSHPEGDRSLVQGLKGDPTYLIVEGPDAIGSYGINAICTHLGCVVPWNSGA NKFMCPCHGSQYDATGKVVRGPAPLSLALANVSVENDNVFVSQWTETDFRTGDKPWWA