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Literature summary for 4.2.1.8 extracted from

  • Robert-Baudouy, J.M.; Stoeber, F.R.
    Purification et proprietes de la D-mannonate hydrolase d'Escherichia coli' (1973), Biochim. Biophys. Acta, 309, 473-485.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
D-glucuronate competitive Escherichia coli
D-mannitol competitive Escherichia coli
D-sorbitol competitive Escherichia coli
PCMB
-
Escherichia coli

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
20
-
D-mannonate
-
Escherichia coli

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+ FeSO4 activates Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
D-mannonate Escherichia coli inducible by glucuronate and fructuronate ?
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

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
additional information
-
-
Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-mannonate inducible by glucuronate and fructuronate Escherichia coli ?
-
?
D-Mannonate
-
Escherichia coli 2-Dehydro-3-deoxy-D-gluconate + H2O
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
additional information
-
D-gluconate protects against heat denaturation Escherichia coli
52
-
2 min, about 50% loss of activity Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.3
-
glycylglycine buffer, in presence of FeSO4 and 2-mercaptoethanol as activator and protector Escherichia coli