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

1.10.3.1

limpet

keyhole

brown

catalase

lymphocyte

dismutase

hemolymph

igm

humoral

larvae

shrimp

mushroom

haptens

vannamei

sod

antigen-specific

melanization

arthropod

haemocyte

melanin

crab

litopenaeus

idiotype

o-quinones

crustacean

hepatopancreas

chlorogenic

delayed-type

ammonia-lyase

l-dopa

postharvest

laccase

shelf

molluscan

anti-idiotypic

dinuclear

gastropod

crayfish

nutrition

pyrogallol

agriculture

drug development

lobster

alginolyticus

entomopathogenic

copper-binding

antiferromagnetic

penaeus

kojic

copper-containing

pomatia

food industry

toxoid

limulus

Reaction

2 catechol +

= 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

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Results	in table
40	Activating Compound
306	AA Sequence
11	Application
1	CAS Registry Number
10	Cloned(Commentary)
9	Cofactor
7	Crystallization (Commentary)
2100	Disease/ Diagnostics
2	Expression
13	General Information
2	General Stability
113	IC50 Value
459	Inhibitors
33	Ki Value [mM]
185	KM Value [mM]
14	Localization
58	Metals/Ions
77	Molecular Weight [Da]
59	Natural Substrates/ Products (Substrates)
123	Organism
5	Pathway
14	PDB ID
86	pH Optimum
25	pH Range
20	pH Stability
2	pI Value
10	Posttranslational Modification
1	Protein Variants
54	Purification (Commentary)
3	Reaction
3	Reaction Type
118	Reference
1	Renatured (Commentary)
93	Source Tissue
120	Specific Activity [micromol/min/mg]
2	Storage Stability
503	Substrates and Products (Substrate)
49	Subunits
251	Synonyms
1	Systematic Name
65	Temperature Optimum [°C]
19	Temperature Range [°C]
55	Temperature Stability [°C]
71	Turnover Number [1/s]

Temperature Range

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Temperature Range on EC 1.10.3.1 - catechol oxidase

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10 - 45

10 - 60

20 - 50

pH profiles withdifferent substrates, overview

20 - 65

20 - 70

20 - 80

30 - 50

30 - 65

30°C: about 45% of maximal activity, 65°C: about 60% of maximal activity

658893

30 - 70

Rhaphiolepis bibas

70% of maximal activity within at 30-60°C, particulate, latent enzyme form

30 - 90

activity range

4 - 80

the phenoloxidase activity stays almost the same or decreases slightly up to 60°C, and decreases rapidly at 80°C. The average phenoloxidase activity increases at 4°C, 25°C, 40°C, and 60°C in a time-dependent manner, but no increase is observed at 80°C

711789

5 - 50

Lactarius salmonicolor

699242

5 - 70

Ferula sp.

673779

5 - 80

2 entries

additional information

Cucumis melo

PPO activities are assayed at various reaction temperatures as controlled by a circulation water bath. The temperature is varied over the range of 5-80°C (+/-0.1°C)

687246