>tr|A0A5Q0GEB1|A0A5Q0GEB1_9NOST Cytochrome b6-f complex iron-sulfur subunit OS=Anabaena sp. YBS01 GN=petC MDDTLNQLNPSMSRRQLLNFFTGAIVAATASAAIYPATKFFMPPAESTDAEGGVLAKDKI GHPIPASQILVQASGTRALIAGLAGEPTYLTVREDGTLDPMGIVNNCTHLGCTFPWNPVD QQFQCPCHGSRYDAQGSVERGPANRPLKLVHVQVKDDYIWISSWQETDPRTGEKPWWV