>sp|Q7V654|UCRI_PROMM Cytochrome b6-f complex iron-sulfur subunit OS=Prochlorococcus marinus (strain MIT 9313) OX=74547 GN=petC PE=3 SV=2 MTQMTSSDVPGMGRRQFMNLLTFGSVTGVALGSLYPVVKYFIPPRASGSGGGTSAKDELG NSVTASGWLANHSDGDRSLVQGLKGDPTYLIVEGDDAIGSYGINAICTHLGCVVPWNSGV NKFVCPCHGSQYNSTGKVVRGPAPLSLALANIAVENDNVFVSQWTETDFRTGEKPWWT