10-Formyltetrahydrofolate

3D space-filling model of 10-Formyltetrahydrofolate

10-formyl-tetrahydrofolic acid

10-Formyltetrahydrofolate is a formyl derivative of tetrahydrofolate, a coenzyme involved in the transfer of one-carbon units in various metabolic reactions. It plays a crucial role in the folate metabolism and is essential for the synthesis of purines, which are necessary for DNA and RNA synthesis.

Structure

10-Formyltetrahydrofolate is a formylated form of tetrahydrofolate, where a formyl group is attached to the N10 position of the pteridine ring. This modification allows it to participate in one-carbon transfer reactions, which are vital for cellular metabolism.

Function

In the cell, 10-formyltetrahydrofolate serves as a donor of formyl groups in the synthesis of purine nucleotides. It is involved in the conversion of inosine monophosphate (IMP) to adenosine monophosphate (AMP) and guanosine monophosphate (GMP), which are precursors for DNA and RNA synthesis.

Metabolic Pathway

10-Formyltetrahydrofolate is generated from tetrahydrofolate through the action of the enzyme formyltransferase. It can also be interconverted with other one-carbon substituted forms of tetrahydrofolate, such as 5,10-methenyltetrahydrofolate and 5,10-methylenetetrahydrofolate, depending on the cellular needs.

Clinical Significance

Deficiencies in folate metabolism, including the availability of 10-formyltetrahydrofolate, can lead to megaloblastic anemia and other health issues. Adequate levels of folate and its derivatives are crucial during periods of rapid cell division and growth, such as during pregnancy and infancy.

Related Pages

• Folate metabolism
• Tetrahydrofolate
• Purine synthesis
• One-carbon metabolism

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