Essential Biochemistry - Protein Metabolism (Section 4 - No. 7)
What is the role of tetrahydrobiopterin in the conversion of phenylalanine to tyrosine?
It is a coenzyme
It is an inhibitor
It is a substrate
It is a product
Explanation
Tetrahydrobiopterin (BH4) is a coenzyme for phenylalanine hydroxylase, the enzyme that converts phenylalanine to tyrosine.
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