KEGG   REACTION: R00031Help
Entry
R00031                      Reaction                               

Name
1,2-benzenediol:oxygen oxidoreductase
Definition
Oxygen + 2 L-Tyrosine <=> 2 3,4-Dihydroxy-L-phenylalanine
Equation
C00007 + 2 C00082 <=> 2 C00355
RPair
C00082_C00355 main
C00007_C00355 leave
Enzyme
1.10.3.1        1.14.18.1
Pathway
Tyrosine metabolism
Isoquinoline alkaloid biosynthesis
Metabolic pathways
Biosynthesis of secondary metabolites
Orthology
K00422  
polyphenol oxidase [EC:1.10.3.1]

KEGG   REACTION: R00045Help
Entry
R00045                      Reaction                               

Name
3,4-dihydroxy-L-phenylalanine:oxygen oxidoreductase
Definition
Oxygen + 2 3,4-Dihydroxy-L-phenylalanine <=> 2 Dopaquinone + 2 H2O
Equation
C00007 + 2 C00355 <=> 2 C00822 + 2 C00001
RPair
C00001_C00007 cofac
C00355_C00822 main
Enzyme
1.10.3.1        1.14.18.1
Pathway
Tyrosine metabolism
Metabolic pathways
Orthology
K00422  
polyphenol oxidase [EC:1.10.3.1]

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
RPair
C00001_C00007 cofac
C00090_C02351 main
Enzyme
1.10.3.1        1.14.18.1

KEGG   REACTION: R00731Help
Entry
R00731                      Reaction                               

Name
L-Tyrosine:oxygen oxidoreductase
Definition
L-Tyrosine + Oxygen <=> 3,4-Dihydroxy-L-phenylalanine + H2O
Equation
RPair
C00001_C00007 leave
C00082_C00355 main
C00007_C00355 leave
Enzyme
Pathway
Tyrosine metabolism
Isoquinoline alkaloid biosynthesis
Betalain biosynthesis
Metabolic pathways
Biosynthesis of secondary metabolites
Orthology
K00505  
tyrosinase [EC:1.14.18.1]

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
RPair
C00001_C00007 cofac
C00082_C00355 main
C00355_C00822 cofac
C00007_C00355 leave
Enzyme
1.10.3.1        1.14.18.1
Pathway
Tyrosine metabolism
Betalain biosynthesis
Metabolic pathways
Orthology
K00422  
polyphenol oxidase [EC:1.10.3.1]
K00505  
tyrosinase [EC:1.14.18.1]

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
RPair
C00001_C00007 leave
C00472_C00530 main
Enzyme
Pathway
Riboflavin metabolism
Orthology
K00505  
tyrosinase [EC:1.14.18.1]

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
RPair
C00003_C00004 cofac
C00001_C00007 leave
C00483_C03758 main
Enzyme
1.14.13.-       1.14.18.1
Pathway
Isoquinoline alkaloid biosynthesis
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
RPair
C00001_C00007 cofac
C00811_C01197 main
C00007_C01197 leave
C01197_C16828 cofac
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
RPair
C00001_C00007 cofac
C05176_C05202 main
C00007_C05202 leave
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
RPair
C00001_C00007 cofac
C05578_C05579 main
Enzyme
Pathway
Tyrosine metabolism
Metabolic pathways
Orthology
K00505  
tyrosinase [EC:1.14.18.1]

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