Tetrahydrobiopterin is required for the metabolism of
Correct Answer: Phenylalanine
Description: THB is a cofactor for Aromatic amino acid (Tryptophan, Phenylalanine & Tyrosine) hydroxylases (See Fig)* Nitric acid synthase Serotonin synthesis Non-classical phenylketonuria types are due to defect in the synthesis or recycling of THB. Tetrahydrobiopterin (THB) is a nucleotide cofactor derived from Guanosine triphosphate.
Category:
Biochemistry
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