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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

Temperature Optimum

Temperature Optimum on EC 1.10.3.1 - catechol oxidase

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TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
12 - 30
Ferula sp.
-
dependent on the substrate, overview
20 - 40
-
dependent on the locality of origin, the growth phase, and the tissue, overview
25 - 30
-
leaf and endosperm enzyme
30 - 35
-
soluble, active enzyme form
30 - 65
-
dependent on the substrate, overview
35 - 45
-
optimum temperature for isozyme PPO 1
45
-
reaction with catechol
5
-
incubation time: 5 min, optimal temperature depends on incubation time
5 - 20
-
enzyme exhibits the greatest activity in the temperature zone of 5-20°C
60
-
melon PPO has maximum activity at 60°C in both Charentais and Amarillo cultivars
70
-
particulate, latent enzyme form
additional information
-
temperature optimum for recation with 4-methylcatechol is below 10°C