>9RK3_1|Chains A, B[auth D]|Similar to Rieske 2Fe-2S iron sulfur protein (Cytochrome b6-F complex)|Candidatus Kuenenia sp. (2499824) RYSIGFPSQYASGVSEKFKKQFRIWIVKEDDTLYVIEAKCTHLGCTPNWLASEGKFKCPCHGSGFTPDGINIEGPAPRPLERFKVALGDDGQIIVDESTRYRGERGEWDKPGAFLKV