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Literature summary extracted from

  • Blumenthal, H.J.; Jepson, T.
    Galactarate dehydrase (1966), Methods Enzymol., 9, 665-669.
No PubMed abstract available

General Stability

EC Number General Stability Organism
4.2.1.42 galactarate stabilizes Escherichia coli

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.2.1.42 cacodylate
-
Escherichia coli
4.2.1.42 citrate
-
Escherichia coli
4.2.1.42 diphosphate
-
Escherichia coli
4.2.1.42 KCN
-
Escherichia coli
4.2.1.42 phosphate
-
Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.2.1.42 0.4
-
galactarate
-
Escherichia coli

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
4.2.1.42 additional information no metal requirement Escherichia coli

Organism

EC Number Organism UniProt Comment Textmining
4.2.1.42 Escherichia coli
-
-
-
4.2.1.42 Escherichia coli CR63MA
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.2.1.42
-
Escherichia coli

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.2.1.42 0.5
-
-
Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.1.42 D-Galactarate
-
Escherichia coli 5-Dehydro-4-deoxy-D-glucarate + H2O
-
?
4.2.1.42 D-Galactarate
-
Escherichia coli CR63MA 5-Dehydro-4-deoxy-D-glucarate + H2O
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.2.1.42 8
-
-
Escherichia coli

pH Range

EC Number pH Minimum pH Maximum Comment Organism
4.2.1.42 7 9 low activity below pH 7.0 and above pH 9.0 Escherichia coli