Aldehyde dehydrogenase, dimeric NADP-preferring
Amiloride-sensitive amine oxidase [copper-containing]
L-Aspartic acid + Oxoglutaric acid → L-Glutamic acid + Oxalacetic acid
L-Tyrosine → Carbon dioxide + Tyramine
Homovanillin + NADP + Water → NADPH + p-Hydroxyphenylacetic acid
Oxygen + Tyramine → Dopamine + Water
Ascorbic acid + Dopamine + Oxygen → Dehydroascorbic acid + Norepinephrine + Water
2-Hydroxy-3-(4-hydroxyphenyl)propenoic acid
L-Dopa + Oxygen + Tetrahydrobiopterin → 4a-Hydroxytetrahydrobiopterin + Dopamine
2 L-Dopa + Oxygen → 2 Dopaquinone + 2 Water
L-Dopachrome + Oxygen → 5,6-Dihydroxyindole + Water
5,6-Dihydroxyindole + Oxygen → Indole-5,6-quinone + Water
L-Dopachrome → 5,6-Dihydroxyindole-2-carboxylic acid
2 5,6-Dihydroxyindole-2-carboxylic acid + Oxygen → Melanin + Water
Norepinephrine + S-Adenosylmethionine → Epinephrine + S-Adenosylhomocysteine
Norepinephrine + Oxygen + Water → 3,4-Dihydroxymandelaldehyde + Ammonia + Hydrogen peroxide
Epinephrine + Oxygen + Water → 3,4-Dihydroxymandelaldehyde + Hydrogen peroxide + Methylamine
Normetanephrine + Oxygen + Water → 3-Methoxy-4-hydroxyphenylglycolaldehyde + Ammonia + Hydrogen peroxide
Metanephrine + Oxygen + Water → 3-Methoxy-4-hydroxyphenylglycolaldehyde + Ammonia + Hydrogen peroxide
3,4-Dihydroxymandelaldehyde + NAD + Water → 3,4-Dihydroxymandelic acid + Hydrogen Ion + NADH
3,4-Dihydroxymandelaldehyde + NAD → 3,4-Dihydroxyphenylglycol + NADH
Dopamine + Oxygen + Water → 3,4-Dihydroxyphenylacetaldehyde + Ammonia + Hydrogen peroxide
3-Methoxytyramine + Oxygen + Water → Ammonia + Homovanillin + Hydrogen peroxide
3,4-Dihydroxyphenylacetaldehyde + NAD + Water → 3,4-Dihydroxybenzeneacetic acid + Hydrogen Ion + NADH
Homovanillin + NAD + Water → Homovanillic acid + Hydrogen Ion + NADH
4-Hydroxyphenylpyruvic acid → 2-Hydroxy-3-(4-hydroxyphenyl)propenoic acid
Oxygen + Tyramine + Water → Ammonia + Homovanillin + Hydrogen peroxide
Guaiacol + Norepinephrine → Normetanephrine + Pyrocatechol
3-Methoxy-4-hydroxyphenylglycolaldehyde + NADP + Water → NADPH + Vanillylmandelic acid
Epinephrine + Guaiacol → Metanephrine + Pyrocatechol
3,4-Dihydroxyphenylglycol + Guaiacol → Pyrocatechol + Vanylglycol
3,4-Dihydroxymandelic acid + Guaiacol → Pyrocatechol + Vanillylmandelic acid
Dopamine + Guaiacol → 3-Methoxytyramine + Pyrocatechol
3,4-Dihydroxybenzeneacetic acid + Guaiacol → Homovanillic acid + Pyrocatechol
4-Fumarylacetoacetic acid + Water → Acetoacetic acid + Fumaric acid
Maleylacetoacetic acid → 4-Fumarylacetoacetic acid
Homogentisic acid + Oxygen → Maleylacetoacetic acid
4-Hydroxyphenylpyruvic acid + Oxygen → Carbon dioxide + Homogentisic acid
L-Tyrosine + Oxoglutaric acid ↔ 4-Hydroxyphenylpyruvic acid + L-Glutamic acid