Methylenetetrahydrofolate reductase (ferredoxin)

Methylenetetrahydrofolate reductase (ferredoxin)
Identifiers
EC number	1.5.7.1
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Search PMC articles PubMed articles

In enzymology, a methylenetetrahydrofolate reductase (ferredoxin) (EC 1.5.7.1) is an enzyme that catalyzes the chemical reaction

5-methyltetrahydrofolate + 2 oxidized ferredoxin $\rightleftharpoons$ 5,10-methylenetetrahydrofolate + 2 reduced ferredoxin + 2 H⁺

Thus, the two substrates of this enzyme are 5-methyltetrahydrofolate and oxidized ferredoxin, whereas its 3 products are 5,10-methylenetetrahydrofolate, reduced ferredoxin, and H⁺.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH group of donors with an iron-sulfur protein as acceptor. The systematic name of this enzyme class is 5-methyltetrahydrofolate:ferredoxin oxidoreductase. This enzyme is also called 5,10-methylenetetrahydrofolate reductase. This enzyme participates in one carbon pool by folate.

References

• Clark JE, Ljungdahl LG (1984). "Purification and properties of 5,10-methylenetetrahydrofolate reductase, an iron-sulfur flavoprotein from Clostridium formicoaceticum". J. Biol. Chem. 259 (17): 10845–9. PMID 6381490. 

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