Subsequent research concentrated on purifying and characterizing the enzymes involved, with major contributions being made by David E. Green on the complexes of the electron-transport chain, as well as Efraim Racker on the ATP synthase.
A investigación posterior centrouse na purificación e caracterización dos encimas implicados, con importantes contribucións realizadas por David E. Green sobre os complexos da cadea de transporte electrónico, e de Efraim Racker sobre a ATP sintase.