?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Hartley&rft.au=Hartley%2C+AM&rft.aufirst=AM&rft.atitle=Rcf2+revealed+in+cryo-EM+structures+of+hypoxic+isoforms+of+mature+mitochondrial+III-IV+supercomplexes&rft.issn=1091-6490&rft.date=14+April+2020&rft.title=Proceedings+of+the+National+Academy+of+Sciences&rft.genre=article