Question

Which derivative of folate is a reactant in the conversion of (a) glycine into serine? (b) homocysteine into methionine?

   Which derivative of folate is a reactant in the conversion of (a) glycine into serine? (b) homocysteine into methionine?

Biochemistry

Jeremy M. Berg, John… 8th Edition

Chapter 24, Problem 12

Instant Answer

Solved by Expert Madi Sousa

08/01/2020

Step 1

This enzyme transfers a hydroxymethyl group to serine. This transfer requires a coenzyme, which is a derivative of folate. Show more…

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Which derivative of folate is a reactant in the conversion of (a) glycine into serine? (b) homocysteine into methionine?

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Key Concepts

Folate Derivatives

Folate derivatives are modified forms of vitamin B9 that function as carriers of one?carbon units. These molecules are essential in various metabolic pathways, enabling the transfer of single carbon groups needed for the synthesis of nucleotides, amino acids, and other biomolecules.

One-Carbon Metabolism

One-carbon metabolism refers to the network of biochemical reactions that involve the transfer of single carbon units. This pathway is crucial for biosynthetic processes and methylation reactions, facilitating transformations such as the interconversion of amino acids and the regulation of gene expression.

Transmethylation Reactions

Transmethylation reactions involve the transfer of methyl groups between molecules. These reactions are pivotal in converting intermediates like homocysteine to methionine, highlighting the role of folate-derived methyl donors in maintaining proper cellular function and metabolism.

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