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Literature summary extracted from

  • Hou, C.T.; Lillard, M.O.; Schwartz, R.D.
    Protocatechuate 3, 4-dioxygenase from Acinetobacter calcoaceticus (1976), Biochemistry, 15, 582-588.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.13.11.3 2,5-Dihydroxybenzoate
-
Acinetobacter calcoaceticus
1.13.11.3 3,4-dihydroxycinnamic acid
-
Acinetobacter calcoaceticus
1.13.11.3 3,4-dihydroxyphenylacetic acid 0.006 mM, 92% inhibition Acinetobacter calcoaceticus
1.13.11.3 3-Nitrophenol 0.006 mM, 56% inhibition Acinetobacter calcoaceticus
1.13.11.3 4-hydroxymercuribenzoate 0.006 mM, 80% inhibition Acinetobacter calcoaceticus
1.13.11.3 4-methylcatechol 0.006 mM, 59% inhibition Acinetobacter calcoaceticus
1.13.11.3 4-nitrocatechol 0.006 mM, complete inhibition Acinetobacter calcoaceticus
1.13.11.3 alpha-chloro-3,4-dihydroxyacetophenone
-
Acinetobacter calcoaceticus
1.13.11.3 catechol 0-006 mM, 63% inhibition Acinetobacter calcoaceticus
1.13.11.3 Co(NO3)2
-
Acinetobacter calcoaceticus
1.13.11.3 CoCl2
-
Acinetobacter calcoaceticus
1.13.11.3 CuCl
-
Acinetobacter calcoaceticus
1.13.11.3 CuCl2
-
Acinetobacter calcoaceticus
1.13.11.3 Ferrous ammonium sulfate
-
Acinetobacter calcoaceticus
1.13.11.3 additional information not inhibited by iodoacetamide, 5,5'-dithiobis(2-nitrobenzoate), mercaptoethanol, dithiothreitol, glutathione, o-phenanthroline and H2O2 Acinetobacter calcoaceticus
1.13.11.3 Nickel ammonium sulfate
-
Acinetobacter calcoaceticus
1.13.11.3 NiCl2
-
Acinetobacter calcoaceticus
1.13.11.3 o-Chloranil 0.006 mM, 51% inhibition Acinetobacter calcoaceticus
1.13.11.3 Protocatechualdehyde 0.006 mM, 54% inhibition Acinetobacter calcoaceticus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.13.11.3 0.0588
-
O2
-
Acinetobacter calcoaceticus
1.13.11.3 0.0714
-
protocatechuate
-
Acinetobacter calcoaceticus

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.13.11.3 Fe 7.27 g-atoms iron per mol enzyme Acinetobacter calcoaceticus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.13.11.3 677000
-
sedimentation velocity analysis Acinetobacter calcoaceticus

Organism

EC Number Organism UniProt Comment Textmining
1.13.11.3 Acinetobacter calcoaceticus
-
derivative of ATCC 14987
-
1.13.11.3 Acinetobacter calcoaceticus 80-1
-
derivative of ATCC 14987
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.13.11.3 ammonium sulfate, DEAE-cellulose, Sephadex G-200 Acinetobacter calcoaceticus

Source Tissue

EC Number Source Tissue Comment Organism Textmining

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 20
-
-
Acinetobacter calcoaceticus

Storage Stability

EC Number Storage Stability Organism
1.13.11.3 4°C, pH 8.5, 6 months Acinetobacter calcoaceticus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.13.11.3 3,4-dihydroxybenzoate + O2
-
Acinetobacter calcoaceticus 3-carboxy-cis,cis-muconate
-
?
1.13.11.3 3,4-dihydroxybenzoate + O2
-
Acinetobacter calcoaceticus 80-1 3-carboxy-cis,cis-muconate
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.13.11.3 35
-
-
Acinetobacter calcoaceticus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.13.11.3 60
-
pH 8.5, 1 h, 50% loss of activity Acinetobacter calcoaceticus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.13.11.3 8.5 9
-
Acinetobacter calcoaceticus

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
1.13.11.3 8.5
-
60°C, 1 h, 50% loss of activity Acinetobacter calcoaceticus

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
1.13.11.3 0.0048
-
4-nitrocatechol
-
Acinetobacter calcoaceticus
1.13.11.3 0.041
-
3,4-dihydroxyphenylacetic acid
-
Acinetobacter calcoaceticus
1.13.11.3 0.073
-
Protocatechualdehyde
-
Acinetobacter calcoaceticus
1.13.11.3 0.17
-
alpha-chloro-3,4-dihydroxyacetophenone
-
Acinetobacter calcoaceticus
1.13.11.3 0.29
-
2,5-Dihydroxybenzoate
-
Acinetobacter calcoaceticus
1.13.11.3 0.38
-
catechol
-
Acinetobacter calcoaceticus
1.13.11.3 0.44
-
4-methylcatechol
-
Acinetobacter calcoaceticus