001030701 001__ 1030701 001030701 005__ 20250310131244.0 001030701 0247_ $$2doi$$a10.1093/mam/ozae089 001030701 0247_ $$2datacite_doi$$a10.34734/FZJ-2024-05412 001030701 0247_ $$2pmid$$a39298136 001030701 0247_ $$2WOS$$aWOS:001315352100001 001030701 037__ $$aFZJ-2024-05412 001030701 082__ $$a500 001030701 1001_ $$0P:(DE-Juel1)194880$$aVercellino, Irene$$b0$$eCorresponding author 001030701 245__ $$aHow cryo-EM revolutionized the field of bioenergetics 001030701 260__ $$aOxford$$bOxford University Press$$c2025 001030701 3367_ $$2DRIVER$$aarticle 001030701 3367_ $$2DataCite$$aOutput Types/Journal article 001030701 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1740127513_29848 001030701 3367_ $$2BibTeX$$aARTICLE 001030701 3367_ $$2ORCID$$aJOURNAL_ARTICLE 001030701 3367_ $$00$$2EndNote$$aJournal Article 001030701 520__ $$aTen years ago, the term “resolution revolution” was used for the first time to describe how cryogenic electron microscopy (cryo-EM) marked the beginning of a new era in the field of structural biology, enabling the investigation of previously unsolvable protein targets. The success of cryo-EM was recognized with the 2017 Chemistry Nobel Prize and has become a widely used method for the structural characterization of biological macromolecules, quickly catching up to x-ray crystallography. Bioenergetics is the division of biochemistry that studies the mechanisms of energy conversion in living organisms, strongly focused on the molecular machines (enzymes) that carry out these processes in cells. As bioenergetic enzymes can be arranged in complexes characterized by conformational heterogeneity/flexibility, they represent challenging targets for structural investigation by crystallography. Over the last decade, cryo-EM has therefore become a powerful tool to investigate the structure and function of bioenergetic complexes; here, we provide an overview of the main achievements enabled by the technique. 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