A PYRIDOXAL PHOSPHATE-containing enzyme that catalyzes the transfer of a formyl group from L-GLUTAMATE to N-formimidoyl-L-glutamate and TETRAHYDROFOLATE. This enzyme may also catalyze formyl transfer from 5-formyltetrahydrofolate to L-GLUTAMATE. This enzyme was formerly categorized as EC 2.1.2.6.
Derivatives of GLUTAMIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain the 2-aminopentanedioic acid structure.