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 ...

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 ...

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