Tags: Protein.
Formate dehydrogenases are a set of enzymes that catalyse the oxidation of formate to carbon dioxide donating the electrons to a second substrate such as NAD+ in formate:NAD+ oxidoreductase (EC 1.2.1.2) or to a cytochrome in formate:ferricytochrome-b1 oxidoreductase (EC 1.2.2.1).