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Literature summary for 4.2.1.42 extracted from

  • Blumenthal, H.J.; Jepson, T.
    Galactarate dehydrase (1966), Methods Enzymol., 9, 665-669.
No PubMed abstract available
Search for more literature for 4.2.1.42

General Stability

General Stability Organism
galactarate stabilizes Escherichia coli

Inhibitors

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

KM Value [mM]

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

Metals/Ions

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

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-
Escherichia coli CR63MA
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Escherichia coli

Specific Activity [micromol/min/mg]

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

Substrates and Products (Substrate)

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
 Escherichia coli

pH Range

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