dopamine metabolism

Biochemistry

• dopamine metabolism 1
  • enzyme: monoamine oxidase
  • substrate: dopamine + O2 + H2O
  • product: dopac + H2O2 + NH3
• dopamine metabolism 2
  • enzyme: catechol-O-methyltransferase
  • substrate: dopamine + SAM
  • product: 3-methoxydopamine + S-adenosylhomocysteine
• dopamine metabolism 3
  • enzyme: catechol-O-methyltransferase
  • substrate: dopac + SAM
  • product: homovanillic acid + S-adenosylhomocysteine
• dopamine metabolism 4
  • enzyme: monoamine oxidase
  • substrate: 3-methoxydopamine + O2 + H2O
  • product: homovanillic acid + H2O2 + NH3

* see figure

More general terms

• catecholamine metabolism

Additional terms

• dopamine (Inotropin, Dopastat)