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Literature summary extracted from

  • Ashwell, G.; Wahba, A.J.; Hickman, J.
    Uronic acid metabolism in bacteria: I. Purification and properties of uronic acid isomerase in Echerichia coli (1960), J. Biol. Chem., 235, 1559-1565.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
5.3.1.12 1,10-phenanthroline
-
Escherichia coli
5.3.1.12 2,2'-dipyridyl
-
Escherichia coli
5.3.1.12 2-mercaptoethanol
-
Escherichia coli
5.3.1.12 Cu2+
-
Escherichia coli
5.3.1.12 cysteine
-
Escherichia coli
5.3.1.12 glutathione weak Escherichia coli
5.3.1.12 NaCN
-
Escherichia coli
5.3.1.12 NEM
-
Escherichia coli
5.3.1.12 PCMB
-
Escherichia coli
5.3.1.12 Zn2+
-
Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
5.3.1.12 0.75
-
D-tagaturonate
-
Escherichia coli
5.3.1.12 1.65
-
D-galacturonate
-
Escherichia coli
5.3.1.12 3.7
-
D-glucuronate
-
Escherichia coli

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
5.3.1.12 D-Fructuronate Escherichia coli first step in the pathway of glucuronic acid metabolism and galacturonic acid metabolism ?
-
?
5.3.1.12 D-Galacturonate Escherichia coli first step in the pathway of glucuronic acid metabolism and galacturonic acid metabolism ?
-
?
5.3.1.12 D-Glucuronate Escherichia coli first step in the pathway of glucuronic acid metabolism and galacturonic acid metabolism ?
-
?
5.3.1.12 D-Tagaturonate Escherichia coli first step in the pathway of glucuronic acid metabolism and galacturonic acid metabolism ?
-
?

Organism

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

Purification (Commentary)

EC Number Purification (Comment) Organism
5.3.1.12 partial Escherichia coli

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
5.3.1.12 additional information
-
-
Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5.3.1.12 D-Fructuronate first step in the pathway of glucuronic acid metabolism and galacturonic acid metabolism Escherichia coli ?
-
?
5.3.1.12 D-Galacturonate r Escherichia coli D-Tagaturonate
-
?
5.3.1.12 D-Galacturonate first step in the pathway of glucuronic acid metabolism and galacturonic acid metabolism Escherichia coli ?
-
?
5.3.1.12 D-Glucuronate
-
Escherichia coli D-Fructuronate
-
?
5.3.1.12 D-Glucuronate first step in the pathway of glucuronic acid metabolism and galacturonic acid metabolism Escherichia coli ?
-
?
5.3.1.12 D-Tagaturonate first step in the pathway of glucuronic acid metabolism and galacturonic acid metabolism Escherichia coli ?
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
5.3.1.12 8 8.5
-
Escherichia coli

pH Range

EC Number pH Minimum pH Maximum Comment Organism
5.3.1.12 6 9 pH 6.0: about 30% of maximal activity, pH 9.0: about 40% of maximal activity with D-galacturonate Escherichia coli
5.3.1.12 7.5 9 pH 7.5: about 55% of maximal activity, pH 9.0: about 75% of maximal activity with glucuronate Escherichia coli