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Old 02-22-2010
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Biochemistry Amino Acid Derivatives

  • Phenylalanine --(phenylalanine hydroxylase)--> Tyrosine --(Tyrosine hydroxylase) --> DOPA --(DOPA decarboxylase)--> Dopamine
  • Glutamate --(glutamate decarboxylase)--> GABA
  • Glutamate ---> Glutathione
  • Glycine + Succinyl Co A ----> Heme
  • Glycine + Arginine + SAM ---> Creatine
  • Glutamate + Aspartate ---> Pyrimidines
  • Glutamate + Aspartate + Glycine ---> Purines
  • Glycine + Proline ---> Elastin
  • Arginine ---> Nitric Oxide
  • Argnine + Aspartate ---> Urea
  • Histidine ---> Histamine
  • Tryptophan ---> Serotonin
  • Tryptophan ---> Melatonin
  • Tryptophan ---> Niacin
  • Tyrosine ---> Thyroxine, Melanin
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Old 05-17-2011
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Old 05-18-2011
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Correct Answer

Hi friend,
It's glutamate decarboxylase (GAD), which is most abundant in the cerebellum and pancreas.
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