Tetrahydrobiopterin

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Tetrahydrobiopterin (BH4) is cofactor in the synthesis of the neurotransmitters dopamine, norepinephrine, epinephrine and melatonin. It is also a cofactor in the synthesis of nitric oxide.

MTHFR mutations[edit]

MTHFR A1298C is involved in converting 5-methylfolate (5MTHF) to tetrahydrofolate (THF), a reaction that produces one molecule of BH4. Mutations in this gene down regulate the methylation cycle and consequently, the production of BH4.


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From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history