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Alternative complex III: an ancient counterpart of the bc1/b6f complex

Xin et al. determined the cryo-EM structure of HQNO-bound Alternative Complex III from the anoxygenic phototrophic bacterium Chloroflexus aurantiacus. The Plant Cell (2024) https://doi.org/10.1093/plcell/koae029 By Xiaoling Xu at Hangzhou Normal University, Hangzhou, China Background: Photosynthesis…