1.13.11.3: protocatechuate 3,4-dioxygenase
This is an abbreviated version!
For detailed information about protocatechuate 3,4-dioxygenase, go to the full flat file.
Word Map on EC 1.13.11.3
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1.13.11.3
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catecholate
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1,2-dioxygenase
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intradiol
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4-hydroxybenzoate
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3,4-dihydroxybenzoate
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beta-ketoadipate
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ring-cleavage
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gentisate
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beta-carboxy-cis,cis-muconate
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enol-lactone
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hydroxyquinol
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orville
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lipscomb
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fuscum
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cis-muconate
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4-methylcatechols
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3,5-di-tert-butylcatechol
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analysis
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environmental protection
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degradation
- 1.13.11.3
-
catecholate
-
1,2-dioxygenase
-
intradiol
- 4-hydroxybenzoate
- 3,4-dihydroxybenzoate
-
beta-ketoadipate
-
ring-cleavage
- gentisate
- beta-carboxy-cis,cis-muconate
-
enol-lactone
- hydroxyquinol
-
orville
-
lipscomb
- fuscum
-
cis-muconate
- 4-methylcatechols
- 3,5-di-tert-butylcatechol
- analysis
- environmental protection
- degradation
Reaction
Synonyms
3,4-PCase, 3,4-PCD, 3,4-PCDase, 3,4-POD, EC 1.13.1.3, EC 1.99.2.3, More, oxygenase, protocatechuate 3,4-di-, P3,4DO, P3,4O enzyme, P34O, PCA 3,4-dioxygenase, PcaG, PcaH, PcaHG, PCD, protocatchetuate 3,4-dioxygenase, protocatechuate 3,4-dioxygenase, protocatechuate oxygenase, protocatechuic 3,4-dioxygenase, protocatechuic 3,4-oxygenase, protocatechuic acid oxidase
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Metals Ions
Metals Ions on EC 1.13.11.3 - protocatechuate 3,4-dioxygenase
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2,2'-dipyridyl
activates the enzyme immobilized on calcium alginate, but inhibits the free enzyme and the enzyme immobilized on glyoxyl agarose, at 0.3 mM
Al3+
activates the free enzyme and enzyme immobilized on calcium alginate
Cu2+
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increases enzyme activity for both cell-free and immobilized extracts by 8% and 44%, respectively
EDTA
activates the enzyme immobilized on calcium alginate, but inhibits the free enzyme and the enzyme immobilized on glyoxyl agarose, at 0.3 mM
Fe
Fe3+
additional information
Fe
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external addition of FeSO4 is absolutely essential, other metal ions cannot replace Fe2+
Fe3+
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increases enzyme activity for both cell-free and immobilized extracts by 16% and 99%, respectively
Fe3+
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presence of a alphabetaFe3+ protomer in a variety of stoichiometries
Fe3+
activates the enzyme immobilized on calcium alginate
protective effect of immobilization on calcium alginate on enzyme activity is observed in the presence of Cd2+, Al3+, and Fe3+ while in the presence of Mn2+ and Zn2+ the inhibitory effect of metals on enzyme activity increases
additional information
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protective effect of immobilization on calcium alginate on enzyme activity is observed in the presence of Cd2+, Al3+, and Fe3+ while in the presence of Mn2+ and Zn2+ the inhibitory effect of metals on enzyme activity increases