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Literature summary for 4.1.3.27 extracted from

  • Friedrich, C.G.; Friedrich, B.; Schlegel, H.G.
    Aromatic amino acid biosynthesis in Alcaligenes eutrophus H 16 III. Properites and regulation of anthranilate synthase (1976), Arch. Microbiol., 107, 125-131.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
L-Trp noncompetitive with respect to L-Gln, inhibitory effect increases with rising pH Cupriavidus necator

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.005
-
chorismate
-
Cupriavidus necator
0.56
-
Gln
-
Cupriavidus necator

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required Cupriavidus necator
Mg2+ maximal activity at 0.03 mM Cupriavidus necator

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
126000
-
sucrose density gradient centrifugation Cupriavidus necator
158000
-
gel filtration Cupriavidus necator

Organism

Organism UniProt Comment Textmining
Cupriavidus necator
-
H 16
-
Cupriavidus necator H 16
-
H 16
-

Purification (Commentary)

Purification (Comment) Organism
partial Cupriavidus necator

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Cupriavidus necator

Storage Stability

Storage Stability Organism
4°C, TEA-sulfuric acid buffer, PH 7.2, stable for at least 2 days Cupriavidus necator

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
chorismate + L-Gln
-
Cupriavidus necator anthranilate + pyruvate + L-glutamate
-
?
chorismate + L-Gln
-
Cupriavidus necator H 16 anthranilate + pyruvate + L-glutamate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Cupriavidus necator

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.7
-
Gln-dependent activity Cupriavidus necator