KEGG   REACTION: R02078Help
Entry
R02078                      Reaction                               

Name
L-Tyrosine,L-dopa:oxygen oxidoreductase
Definition
3,4-Dihydroxy-L-phenylalanine + L-Tyrosine + Oxygen <=> Dopaquinone + 3,4-Dihydroxy-L-phenylalanine + H2O
Equation
Reaction class
RC00046  C00082_C00355
RC00180  C00355_C00822
Enzyme
1.10.3.1        1.14.18.1
Pathway
rn00350  Tyrosine metabolism
rn00965  Betalain biosynthesis
rn01100  Metabolic pathways
Orthology
K00422  polyphenol oxidase [EC:1.10.3.1]
K00505  tyrosinase [EC:1.14.18.1]

KEGG   REACTION: R00058Help
Entry
R00058                      Reaction                               

Name
catechol:oxygen oxidoreductase;
1,2-benzenediol:oxygen oxidoreductase
Definition
Oxygen + 2 Catechol <=> 2 o-Benzoquinone + 2 H2O
Equation
C00007 + 2 C00090 <=> 2 C02351 + 2 C00001
Reaction class
RC00180  C00090_C02351
Enzyme
1.10.3.1        1.14.18.1
Other DBs
RHEA: 21635

KEGG   REACTION: R00731Help
Entry
R00731                      Reaction                               

Name
L-Tyrosine:oxygen oxidoreductase
Definition
L-Tyrosine + Oxygen <=> 3,4-Dihydroxy-L-phenylalanine + H2O
Equation
Reaction class
RC00046  C00082_C00355
Enzyme
Pathway
rn00350  Tyrosine metabolism
rn00950  Isoquinoline alkaloid biosynthesis
rn00965  Betalain biosynthesis
rn01100  Metabolic pathways
rn01110  Biosynthesis of secondary metabolites
Module
M00042  Catecholamine biosynthesis, tyrosine => dopamine => noradrenaline => adrenaline
Orthology
K00505  tyrosinase [EC:1.14.18.1]
Other DBs
RHEA: 34286

KEGG   REACTION: R02363Help
Entry
R02363                      Reaction                               

Name
Hydroquinone:oxygen oxidoreductase
Definition
2 Hydroquinone + Oxygen <=> 2 p-Benzoquinone + 2 H2O
Equation
2 C00530 + C00007 <=> 2 C00472 + 2 C00001
Comment
Ref:1. Meth Enzymol 1987; 142: 165-169
Reaction class
RC00150  C00472_C00530
Enzyme
Orthology
K00505  tyrosinase [EC:1.14.18.1]
Other DBs
RHEA: 55379

KEGG   REACTION: R02383Help
Entry
R02383                      Reaction                               

Name
Monophenol,L-dopa:oxygen oxidoreductase
Definition
Tyramine + Oxygen + NADH + H+ <=> Dopamine + NAD+ + H2O
Equation
Comment
tyramine monooxygenase
Ref:1. Meth Enzymol 1987; 142: 165-169
Reaction class
RC00001  C00003_C00004
RC00046  C00483_C03758
Enzyme
1.14.13.-       1.14.18.1
Pathway
rn00950  Isoquinoline alkaloid biosynthesis
rn01110  Biosynthesis of secondary metabolites
Orthology
K00505  tyrosinase [EC:1.14.18.1]

KEGG   REACTION: R02950Help
Entry
R02950                      Reaction                               

Name
4-Coumarate:oxygen oxidoreductase
Definition
4-Coumarate + Oxygen + Caffeate <=> Caffeate + H2O + Caffeoquinone
Equation
Reaction class
RC00046  C00811_C01197
Enzyme

KEGG   REACTION: R04693Help
Entry
R04693                      Reaction                               

Name
Monophenol,L-dopa:oxygen oxidoreductase
Definition
(S)-N-Methylcoclaurine + Oxygen + Reduced acceptor <=> 3'-Hydroxy-N-methyl-(S)-coclaurine + H2O + Acceptor
Equation
Comment
Ref:1. Meth Enzymol 1987; 142: 165-169
Reaction class
RC00046  C05176_C05202
Enzyme
Orthology
K00505  tyrosinase [EC:1.14.18.1]

KEGG   REACTION: R04884Help
Entry
R04884                      Reaction                               

Name
5,6-dihydroxyindole:oxygen oxidoreductase
Definition
2 5,6-Dihydroxyindole + Oxygen <=> 2 Indole-5,6-quinone + 2 H2O
Equation
2 C05578 + C00007 <=> 2 C05579 + 2 C00001
Comment
Ref:1. Meth Enzymol 1987; 142: 165-169
Reaction class
RC00180  C05578_C05579
Enzyme
Pathway
rn00350  Tyrosine metabolism
rn01100  Metabolic pathways
Orthology
K00505  tyrosinase [EC:1.14.18.1]
Other DBs
RHEA: 33518

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