coupling factors

cou·pling fac·tors

proteins that restore phosphorylating ability to mitochondria that have lost it, that is, have become "uncoupled" so that oxidation and electron transport no longer produce ATP. Usually termed coupling factor F1, F2, etc. Synonym(s): C factors

cou·pling fac·tors

(kŭp'ling fak'tŏrz) Proteins that restore phosphorylating ability to mitochondria.