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]

Molecular Weight

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of the Enzyme Summary Page.

Molecular Weight on EC 1.10.3.1 - catechol oxidase

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100000

x * 100000, SDS-PAGE

12000

gel filtration

120000

134000

2 * 134000 + 2 * 43000, alpha2beta2 subunit composition

673001

153800

Amphioctopus fangsiao

gel filtration

158000

native PAGE

16100

gel filtration

170000

incubation of native hemocyanin with trypsin, produces a band of 170000 Da with intense phenoloxidase activity

18000

1 * 18000, SDS-PAGE

190000

incubation of native hemocyanin with chymotrypsin, produces a band of 190000 Da with intense phenoloxidase activity

696393

220000

Vigna unguiculata

by partially denaturing SDS-PAGE multiple molecular forms of active PPO are detected

706120

240000

Mycelia sterilia

658789

25000

Portulaca grandiflora

1 * 27000 + 1 * 25000, isoenzyme II, SDS-PAGE

440441

250000

2 entries

27000

Portulaca grandiflora

1 * 27000 + 1 * 25000, isoenzyme II, SDS-PAGE

440441

28200

Asimina triloba

PPO exists as two isoforms with molecular weights of 28.2 and 38.3 kDa, SDS-PAGE

688112

28300

Asimina triloba

PPO exists as two isoforms with molecular weights of 28.2 and 38.3 kDa, SDS-PAGE

688112

30000

Lablab purpureus

4 * 30000, SDS-PAGE

440434

30900

Streptomyces glaucescens

1 * 30900

673001

32000

Beta vulgaris

x * 36000, latent, nonactivated membrane isozyme, SDS-PAGE, x * 32000, trypsin-activated membrane isozyme, SDS-PAGE

674774

34000

Streptomyces griseus

3 * 34000, boiling for 20 min, SDS-PAGE

440442

36000

Beta vulgaris

x * 36000, latent, nonactivated membrane isozyme, SDS-PAGE, x * 32000, trypsin-activated membrane isozyme, SDS-PAGE

674774

36500

Nicotiana tabacum

1 * 36500, MALDI-TOF mass spectrometry

440438

37000

Streptomyces griseus

x * 37000, deduced from amino acid sequence

38000

SDS-PAGE

39000

1 * 39000

39350

MALDI-TOF

40000

40480

MALDI-TOF

41000

42000

43000

2 * 134000 + 2 * 43000, alpha2beta2 subunit composition

673001

43200

Trichoderma reesei

x * 43200, recombinant enzyme, SDS-PAGE, x * 61151, unprocessed enzyme, sequence calculation, 43 124-43 204, recombinant enzyme, mass spectrometry

440000

gel filtration

448000

gel filtration

46000

1 * 46000

49000

1 * 49000, SDS-PAGE

49277

1 * 49277, LC-ESI mass spectrometry

53000

54000

gel filtration

55000

SDS-PAGE

56700

57000

Cynara cardunculus var. scolymus

x * 57000, SDS-PAGE

658960

58000

Vigna unguiculata

by partially denaturing SDS-PAGE multiple molecular forms of active PPO are detected

706120

60000

3 entries

61151

Trichoderma reesei

x * 43200, recombinant enzyme, SDS-PAGE, x * 61151, unprocessed enzyme, sequence calculation, 43 124-43 204, recombinant enzyme, mass spectrometry

673560

61200

Rhaphiolepis bibas

particulate, latent enzyme form, gel filtration

671593

65000

3 entries

66000

Portulaca grandiflora

1 * 66000, isoenzyme Ia, SDS-PAGE

66700

1 * 66700

67000

enzymes A and B, gel filtration

69000

gel filtration

73000

75000

6 * 75000, SDS-PAGE

75600

Amphioctopus fangsiao

1 * 75600 + 1 * 73000, proenzyme, estimated from SDS-PAGE

710702

77000

Panulirus argus

1 * 77000 + 1 * 80000 + 1 * 89000

78000

6 * 78000, SDS-PAGE

80000

1 * 77000 + 1 * 80000 + 1 * 89000

88000

gel filtration

89000

1 * 77000 + 1 * 80000 + 1 * 89000

696393

additional information

Octopus vulgaris

50000, 30000, and 20000 Da functional units of native enzyme, SDS-PAGE. 17675, 18162, and 29685 Da, mass spectrum shows the data processed by the maximum entropy deconvolution system (MaxEnt)

684704