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Literature summary extracted from

  • Kurane, R.; Ara, K.; Nakamura, I.; Suzuki, T.; Fukuoka, S.
    Protocatechuate 3,4-dioxygenase from Nocardia erythropolis (1984), Agric. Biol. Chem., 48, 2105-2111.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.13.11.3 Ca2+
-
Nocardia erythropolis
1.13.11.3 Hg2+ 0.1 mM, 45% inhibition Nocardia erythropolis
1.13.11.3 iodoacetate
-
Nocardia erythropolis
1.13.11.3 N-ethylmaleimide
-
Nocardia erythropolis
1.13.11.3 Na2HAsO4 0.1 mM, 50% inhibition Nocardia erythropolis
1.13.11.3 Pb2+
-
Nocardia erythropolis

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.13.11.3 0.1
-
protocatechuate
-
Nocardia erythropolis

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.13.11.3 150000
-
gel filtration Nocardia erythropolis

Organism

EC Number Organism UniProt Comment Textmining
1.13.11.3 Nocardia erythropolis
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.13.11.3
-
Nocardia erythropolis

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.13.11.3 additional information
-
379 mg O2/min/ml Nocardia erythropolis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.13.11.3 3,4-dihydroxybenzoate + O2 enzyme is active on a wide range of o-dihydroxyphenyl compounds Nocardia erythropolis 3-carboxy-cis,cis-muconate
-
?
1.13.11.3 3,4-dihydroxymandelic acid + O2 at 5.4% the rate of protocatechuic acid oxidation Nocardia erythropolis ?
-
?
1.13.11.3 3,4-dihydroxyphenylalanine + O2 at 10.7% the rate of protocatechuic acid oxidation Nocardia erythropolis ?
-
?
1.13.11.3 3-methylcatechol + O2 at 14.4% the rate of protocatechuic acid oxidation Nocardia erythropolis 2-methylmuconate
-
?
1.13.11.3 4-methylcatechol + O2 at 3.1% the rate of protocatechuic acid oxidation Nocardia erythropolis 3-methyl-cis,cis-muconate
-
?
1.13.11.3 catechol + O2 at 33.8% the rate of protocatechuic acid oxidation Nocardia erythropolis muconate
-
?
1.13.11.3 pyrogallol + O2 at 36% the rate of protocatechuic acid oxidation Nocardia erythropolis ?
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.13.11.3 40
-
-
Nocardia erythropolis

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.13.11.3 42
-
1 h, stable below Nocardia erythropolis
1.13.11.3 50
-
1 h, unstable above Nocardia erythropolis

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.13.11.3 8
-
-
Nocardia erythropolis

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
1.13.11.3 7.6 8.6 most stable Nocardia erythropolis