Cytochrome c oxidase is the last step in the electron transport chain. It functions as s dimer, with each monomer containing 13 different polypeptide chains, including two cytochromes and two ...

This mechanism links the gradual oxidation of electron donors in the electron transport chain to the pumping of protons ...

More information: Jonathan Valeros et al, Rhodoquinone carries electrons in the mammalian electron transport chain, Cell (2025). DOI: 10.1016/j.cell.2024.12.007 Provided by University of ...