>sp|P0C8N7|UCRI_SYNEL Cytochrome b6-f complex iron-sulfur subunit OS=Synechococcus elongatus GN=petC MAQVSGMSDVPDMGRRQFMNLLTFGTITGTALGALYPVVKYFIPPASGGTGGGAVAKDAL GNDIKVSEYLAKHLPGDRSLAQGIKGDPTYVIVTEDHQIANYGLNAVCTHLGCVVPWNVS ENKFICPCHGSQYDSTGKVVRGPAPLSLALVKATVTEDDKLVFTPWTEIDFRTGKEPWWT