A carbon-nitrogen ligase that catalyzes the formation of 10-formyltetrahydrofolate from formate and tetrahydrofolate in the presence of ATP. In higher eukaryotes the enzyme also contains METHYLENETETRAHYDROFOLATE DEHYDROGENASE (NADP+) and METHENYLTETRAHYDROFOLATE CYCLOHYDROLASE activity.
Synonyms: Formate:tetrahydrofolate ligase (ADP-forming) Formyltetrahydrofolate Synthetase Tetrahydrofolate Formylase Formate Tetrahydrofolate Ligase Formylase, Tetrahydrofolate EC 6.3.4.3 Synthetase, Formyltetrahydrofolate Ligase, Formate-Tetrahydrofolate Formate-Tetrahydrofolate Ligase