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Literature summary for 4.2.2.6 extracted from

  • Hatanaka, C.; Ozawa, J.
    An oligogalacturonate transeliminase from Erwinia aroideae (1970), Agric. Biol. Chem., 34, 1618-1624.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
EDTA no inhibition by EDTA Erwinia aroidea

Organism

Organism UniProt Comment Textmining
Erwinia aroidea
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Erwinia aroidea

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0053
-
-
Erwinia aroidea

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acid-soluble pectic acid
-
Erwinia aroidea 4-deoxy-5-keto-D-fructuronic acid + ? the first product is 4,5-unsaturated galacturonic acid and this compound is converted into 4-deoxy-5-keto-D-fructuronic acid by an unknown mechanism ?
digalacturonic acid
-
Erwinia aroidea 4-deoxy-5-keto-D-fructuronic acid + ? the first product is 4,5-unsaturated galacturonic acid and this compound is converted into 4-deoxy-5-keto-D-fructuronic acid by an unknown mechanism ?
tetragalacturonic acid
-
Erwinia aroidea 4-deoxy-5-keto-D-fructuronic acid + ? the first product is 4,5-unsaturated galacturonic acid and this compound is converted into 4-deoxy-5-keto-D-fructuronic acid by an unknown mechanism ?
trigalacturonic acid
-
Erwinia aroidea 4-deoxy-5-keto-D-fructuronic acid + ? the first product is 4,5-unsaturated galacturonic acid and this compound is converted into 4-deoxy-5-keto-D-fructuronic acid by an unknown mechanism ?
unsaturated digalacturonic acid unsaturated oligogalacturonates are degraded more rapidly than oligogalacturonates having no unsaturated galacturonic acid residues Erwinia aroidea 4-deoxy-5-keto-D-fructuronic acid + ? the first product is 4,5-unsaturated galacturonic acid and this compound is converted into 4-deoxy-5-keto-D-fructuronic acid by an unknown mechanism ?
unsaturated trigalacturonic acid
-
Erwinia aroidea 4-deoxy-5-keto-D-fructuronic acid + ?
-
?
unsaturated trigalacturonic acid unsaturated oligogalacturonates are degraded more rapidly than oligogalacturonates having no unsaturated galacturonic acid residues Erwinia aroidea 4-deoxy-5-keto-D-fructuronic acid + ? the first product is 4,5-unsaturated galacturonic acid and this compound is converted into 4-deoxy-5-keto-D-fructuronic acid by an unknown mechanism ?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Erwinia aroidea