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
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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
ECTree
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Crystallization
Crystallization on EC 1.13.11.3 - protocatechuate 3,4-dioxygenase
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recombinant enzyme, hanging drop method with 1.8 M ammonium sulfate, 50 mM Tris-HCl pH 7.0 in the reservoir and 10 mg/ml enzyme in the drop at 18°C, crystals grow as perfect dodecahedrons, crystal structure with 2.2 A resolution
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microdialysis of approx. 0.05 ml of enzyme solution, 80 mg/ml against 10 ml volumes of buffered solutions, large single crystals
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vapor equilibration at room temperature from solutions containing potassium phosphate pH 7.5, 1.08-1.2 M reservoir concentrations, initial enzyme concentration 6.7-10.5 mg/ml
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addition of 0.1 ml 1 M 2-mercaptoethanol to 10 ml enzyme solution in 50 mM Tris buffer pH 8.5, rhombic crystals appear after 1 week in a refrigerator, crystallization is also achieved by adding 1 mM iodoacetamide instead of mercaptoethanol or by dialyzing the enzyme against cold, destilled water for 2 days
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free interface diffusion cell, equal volumes of concentrated enzyme and ammonium sulfate solutions ranging from 37-47% saturation, 4°C, 2.5 A resolution
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vapor diffusion in hanging drops, crystal structure at 2.1-2.2 A resolution
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vapor diffusion with ammonium sulfate as the precipitant at 4°C, recombinant wild-type and Y447H mutant enzyme
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