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 Formate Tetrahydrofolate Ligase Tetrahydrofolate Formylase EC 6.3.4.3 Formylase, Tetrahydrofolate Synthetase, Formyltetrahydrofolate Ligase, Formate-Tetrahydrofolate Formate-Tetrahydrofolate Ligase