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Literature summary extracted from

  • Meredith, T.C.; Woodard, R.W.
    Identification of GutQ from Escherichia coli as a D-arabinose 5-phosphate isomerase (2005), J. Bacteriol., 187, 6936-6942.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
5.3.1.13 EDTA 0.01 mM Escherichia coli

Cloned(Commentary)

EC Number Cloned (Comment) Organism
5.3.1.13 GutQ. GutQ is a second copy of D-arabinose 5-phosphate isomerase (API) from the genome of Escherichia coli K-12, with biochemical properties similar to those of KdsD Escherichia coli

Inhibitors

EC Number Inhibitors Comment Organism Structure
5.3.1.13 Zn2+ 0.01 mM Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
5.3.1.13 0.64
-
D-ribulose 5-phosphate
-
Escherichia coli
5.3.1.13 1.2
-
D-arabinose 5-phosphate
-
Escherichia coli

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
5.3.1.13 Zn2+ contains 1.4 Zn2+ per subunit Escherichia coli

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
5.3.1.13 33909
-
4 * 33909, electrospray ionization mass spectrometry Escherichia coli
5.3.1.13 133000
-
gel filtration Escherichia coli

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
5.3.1.13 D-Arabinose 5-phosphate Escherichia coli the gut operon is inducible. GutQ is not directly involved in D-glucitol catabolism. The conditional mutant TCM15(DELTAgutQDELTAkdsD) is dependent on exogenous D-arabinose 5-phosphate both for lipopolysaccharide synthesis/growth and for upregulation of the gut operon D-Ribulose 5-phosphate
-
?

Organism

EC Number Organism UniProt Comment Textmining
5.3.1.13 Escherichia coli
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
5.3.1.13 recombinant GutQ Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5.3.1.13 D-Arabinose 5-phosphate
-
Escherichia coli D-Ribulose 5-phosphate
-
?
5.3.1.13 D-Arabinose 5-phosphate the gut operon is inducible. GutQ is not directly involved in D-glucitol catabolism. The conditional mutant TCM15(DELTAgutQDELTAkdsD) is dependent on exogenous D-arabinose 5-phosphate both for lipopolysaccharide synthesis/growth and for upregulation of the gut operon Escherichia coli D-Ribulose 5-phosphate
-
?

Subunits

EC Number Subunits Comment Organism
5.3.1.13 tetramer 4 * 33909, electrospray ionization mass spectrometry Escherichia coli

Synonyms

EC Number Synonyms Comment Organism
5.3.1.13 GutQ
-
Escherichia coli

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
5.3.1.13 218
-
D-arabinose 5-phosphate
-
Escherichia coli
5.3.1.13 242
-
D-ribulose 5-phosphate
-
Escherichia coli

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
5.3.1.13 8.3
-
-
Escherichia coli