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Literature summary extracted from

  • Ruijter, G.J.G.; van de Vondervoort, P.J.I.; Visser, J.
    Oxalic acid production by Aspergillus niger: an oxalate-non-producing mutant produces citric acid at pH 5 and in the presence of manganese (1999), Microbiology, 145, 2569-2576.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.7.1.1 oxalate competitive inhibition Aspergillus niger

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.7.1.1 0.17
-
oxaloacetate
-
Aspergillus niger

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.7.1.1 cytoplasm
-
Aspergillus niger 5737
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.7.1.1 Mn2+ maximal activity at 0.2 mM Mn2+ Aspergillus niger

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.7.1.1 250000
-
gel filtration Aspergillus niger

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.7.1.1 oxaloacetate + H2O Aspergillus niger
-
oxalate + acetate
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.7.1.1 Aspergillus niger
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.7.1.1 Phenyl Sepharose, Q-Sepharose Aspergillus niger

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.7.1.1 58
-
partially purified enzyme Aspergillus niger

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.7.1.1 oxaloacetate + H2O
-
Aspergillus niger oxalate + acetate
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.7.1.1 7.6
-
in imidazol buffer Aspergillus niger

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.7.1.1 5 9 in MES, piperazine-N,N'-bis(2-ethansulfonic acid), Tris and triethanolamine Aspergillus niger