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1.10.3.1: catechol oxidase

This is an abbreviated version!
For detailed information about catechol oxidase, go to the full flat file.

Word Map on EC 1.10.3.1

Reaction

2 catechol +

O2
= 2 1,2-benzoquinone + 2 H2O

Synonyms

1,2-benzene: oxygen oxidoreductase, 1,2-benzenediol:oxygen oxidoreductase, AoCO4, catalase-phenol oxidase, catechol oxidase, catecholase, catecholoxidase, CATPO, CO, copper-S100B, cresolase, dihydroxy-L-phenylalanine:oxygen oxidoreductase, Diphenol oxidase, diphenolase, dopa oxidase, germin-like protein, GLP, hemocyanin, ibCO, LsPPO, mettyrosinase, monophenol, o-diphenol: oxygen oxidoreductase, monophenol, o-diphenol:oxygen oxidoreductase, More, MppO, o-diphenol oxidoreductase, o-diphenol: dioxygen oxidoreductase, dehydrogenating, o-diphenol:oxygen oxidoreductase, o-diphenolase, o-diphenoloxidase, oxytyrosinase, phenol oxidase, phenolase, phenoloxidase, polyphenol oxidase, polyphenoloxidase, PPO, PPO 1, PPO 2, PPO II, PPO-6, pyrocatechol oxidase, TYR3, tyrosinase

ECTree

     1 Oxidoreductases
         1.10 Acting on diphenols and related substances as donors
             1.10.3 With oxygen as acceptor
                1.10.3.1 catechol oxidase

Specific Activity

Specific Activity on EC 1.10.3.1 - catechol oxidase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.00018
-
substrate caffeic acid or catechol, leaf enzyme extract
0.00042
0.00054
-
substrate 3-hydroxytyrosine, leaf enzyme extract
0.0006
0.00084
-
substrate 3-hydroxytyrosine, leaf enzyme extract
0.0009
-
substrate 3-hydroxytyrosine, leaf enzyme extract
0.0012
-
substrate catechol, leaf enzyme extract
0.0014
0.002
0.0022
-
substrate catechol, leaf enzyme extract
0.003
0.004
0.0045
-
substrate catechol, leaf enzyme extract
0.005
0.006
0.0063
-
substrate catechol, leaf enzyme extract
0.0065
-
substrate catechol, leaf enzyme extract
0.007
-
substrate 5-caffeoyl quinic acid or 4-methylcatechol, leaf enzyme extract
0.008
0.0083
0.01
-
substrate catechol, leaf enzyme extract
0.011
-
substrate 5-caffeoyl quinic acid, leaf enzyme extract
0.0124
-
substrate 5-caffeoyl quinic acid, leaf enzyme extract
0.014
Coffea guarini
-
substrate caffeic acid, leaf enzyme extract
0.016
-
substrate 5-caffeoyl quinic acid, leaf enzyme extract
0.017
-
substrate 5-caffeoyl quinic acid, leaf enzyme extract
0.018
-
substrate 4-methylcatechol, leaf enzyme extract
0.019
-
substrate 4-methylcatechol, leaf enzyme extract
0.02
-
substrate 4-methylcatechol, leaf enzyme extract
0.023
0.026
-
substrate 5-caffeoyl quinic acid, leaf enzyme extract
0.03
-
substrate 4-methylcatechol, leaf enzyme extract
0.036
-
substrate catechol, leaf enzyme extract
0.04
-
substrate 4-methylcatechol, leaf enzyme extract
0.045
Coffea guarini
-
substrate catechol, leaf enzyme extract
0.051
0.073
Coffea guarini
-
substrate 4-methylcatechol, leaf enzyme extract
0.09
Coffea guarini
-
substrate 5-caffeoyl quinic acid, leaf enzyme extract
0.145
-
using L-DOPA as substrate, crude enzyme, at pH 7.5 and 25°C
1
-
reaction with catechol
1.32
-
crude extract, at pH 7.0, 25°C
10
Mycelia sterilia
-
reaction with (-)-epigallocatechin
13.15
Ferula sp.
-
purified stem enzyme
18.18
-
purified recombinant enzyme
18.7
-
partially purified soluble, active enzyme form, substrate tert-butyl-catechol
2.2
Mycelia sterilia
-
reaction with catechol
204.69
-
purified enzyme, substrate chlorogenic acid, pH 5.0, 20°C
227700
-
highly purified enzyme, substrate catechol
24.1
-
solubilized, crude enzyme
241.5
-
isozyme PPO 2 after 183fold purification, at pH 7.0, 25°C
4.458
-
using L-DOPA as substrate, after 30.76fold purification, at pH 7.5 and 25°C
4.5
-
reaction with pyrogallol
41.6
Ferula sp.
-
purified leaf enzyme
42.57
-
purified enzyme
5.5
-
reaction with (-)-epigallocatechin gallate
5.7
Mycelia sterilia
-
reaction with pyrogallol
59.46
-
purified enzyme
7.3
-
reaction with (-)-epigallocatechin
788.3
-
partially purified enzyme
8.7
Mycelia sterilia
-
reaction with (-)-epigallocatechin gallate
8.76
-
isozyme PPO 1 after 6.6fold purification, at pH 7.0, 25°C
9.8
-
pH 6.0, 40°C, enzyme extract
91.5
-
purified particulate, latent enzyme form, substrate tert-butyl-catechol
additional information