Additional Research
HIOMT as the limiting reagent in the melatonin biosynthetic pathway
There has been some controversy over the regulatory power of hydroxyindole-O-methyltransferase in the production of melatonin. In 2001, it was argued that another enzyme in the pathway, N-acetyl transferase (NAT) was the limiting reagent in the production of melatonin. Recent findings, however, have suggested that HIOMT, not NAT, is the limiting reagent, and a direct correlation between HIOMT expression and melatonin levels has been shown to exist.
Read more about this topic: Acetylserotonin O-methyltransferase
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