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Literature summary extracted from

  • Barney, B.M.; Schaab, M.R.; LoBrutto, R.; Francisco, W.A.
    Evidence for a new metal in a known active site: purification and characterization of an iron-containing quercetin 2,3-dioxygenase from Bacillus subtilis (2004), Protein Expr. Purif., 35, 131-141.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
1.13.11.24 Tiron 0.8 mM, 25% activation Bacillus subtilis

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.13.11.24
-
Bacillus subtilis

General Stability

EC Number General Stability Organism
1.13.11.24 storage in buffer, loss of 25% of activity during 48 h, high concentrations of ammonium chloride stabilize, ascorbic acid and cysteine do not Bacillus subtilis

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.13.11.24 1,10-phenanthroline 0.21 mM, 46% residual activity Bacillus subtilis
1.13.11.24 2,2'-dipyridyl 0.18 mM, 57% residual activity Bacillus subtilis
1.13.11.24 diethyldithiocarbamate 89 mM, 62% residual activity Bacillus subtilis
1.13.11.24 EDTA 94 mM, 94% residual activity Bacillus subtilis
1.13.11.24 kojic acid 5 mM, 50% residual activity Bacillus subtilis
1.13.11.24 O-ethylxanthate 6 mM, 51% residual activity Bacillus subtilis

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.13.11.24 0.0008
-
quercetin pH 7.5, 25°C Bacillus subtilis

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.13.11.24 37640
-
x * 37640, MALDI-TOF, SDS-PAGE Bacillus subtilis

Organism

EC Number Organism UniProt Comment Textmining
1.13.11.24 Bacillus subtilis
-
expression in Escherichia coli
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.13.11.24 1.5
-
25°C, pH 7.5 Bacillus subtilis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.13.11.24 quercetin + O2
-
Bacillus subtilis 2-protocatechoylphloroglucinolcarboxylate + CO
-
?

Subunits

EC Number Subunits Comment Organism
1.13.11.24 ? x * 37640, MALDI-TOF, SDS-PAGE Bacillus subtilis

Synonyms

EC Number Synonyms Comment Organism
1.13.11.24 YxaG
-
Bacillus subtilis

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.13.11.24 7.5
-
-
Bacillus subtilis

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
1.13.11.24 5
-
precipitates below Bacillus subtilis

pI Value

EC Number Organism Comment pI Value Maximum pI Value
1.13.11.24 Bacillus subtilis calculated
-
4.9