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Literature summary extracted from

  • Dvorakova, J.; Volfova, O.; Kopecky, J.
    Characterization of phytase produced by Aspergillus niger (1997), Folia Microbiol. (Praha), 42, 349-352.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.3.8 Cd2+
-
Aspergillus niger
3.1.3.8 Cu2+
-
Aspergillus niger
3.1.3.8 F-
-
Aspergillus niger
3.1.3.8 Hg2+
-
Aspergillus niger
3.1.3.8 phosphate
-
Aspergillus niger
3.1.3.8 Sn2+
-
Aspergillus niger
3.1.3.8 Zn2+
-
Aspergillus niger

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.3.8 0.44
-
myo-inositol hexakisphosphate
-
Aspergillus niger
3.1.3.8 0.45
-
myo-inositol hexakisphosphate
-
Aspergillus niger

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.1.3.8 extracellular
-
Aspergillus niger
-
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.1.3.8 Ca2+ 0.2 mM, 12% increase of activity Aspergillus niger
3.1.3.8 Mg2+ 0.2 mM, 6% increase of activity Aspergillus niger
3.1.3.8 Mn2+ 0.2 mM, 59% increase of activity Aspergillus niger

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.3.8 100000
-
gel filtration Aspergillus niger

Organism

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

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.1.3.8 side-chain modification glycoprotein Aspergillus niger

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.3.8
-
Aspergillus niger

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.1.3.8 45.78
-
-
Aspergillus niger

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.3.8 2-phosphoglycerate + H2O
-
Aspergillus niger glyceric acid + phosphate
-
?
3.1.3.8 4-nitrophenyl phosphate + H2O
-
Aspergillus niger 4-nitrophenol + phosphate
-
?
3.1.3.8 6-phosphogluconate + H2O
-
Aspergillus niger gluconate + phosphate
-
?
3.1.3.8 ADP + H2O
-
Aspergillus niger ?
-
?
3.1.3.8 AMP + H2O no activity Aspergillus niger adenosine + phosphate
-
?
3.1.3.8 ATP + H2O
-
Aspergillus niger ?
-
?
3.1.3.8 D-fructose 6-phosphate + H2O
-
Aspergillus niger D-fructose + phosphate
-
?
3.1.3.8 D-ribose 5-phosphate + H2O
-
Aspergillus niger D-ribose + phosphate
-
?
3.1.3.8 fructose 1,6-diphosphate + H2O
-
Aspergillus niger ?
-
?
3.1.3.8 glucose 1-phosphate + H2O
-
Aspergillus niger glucose + phosphate
-
?
3.1.3.8 Glucose 6-phosphate + H2O
-
Aspergillus niger Glucose + phosphate
-
?
3.1.3.8 glycerol 2-phosphate + H2O
-
Aspergillus niger glycerol + phosphate
-
?
3.1.3.8 glycerol 3-phosphate + H2O
-
Aspergillus niger glycerol + phosphate
-
?
3.1.3.8 myo-inositol hexakisphosphate + H2O
-
Aspergillus niger 1-L-myo-inositol 1,2,4,5,6-pentakisphosphate + myo-inositol-1,2,5,6 tetrakisphosphate + phosphate
-
?
3.1.3.8 myo-inositol hexakisphosphate + H2O calcium myo-inositol hexakisphosphate Aspergillus niger 1-L-myo-inositol 1,2,4,5,6-pentakisphosphate + myo-inositol-1,2,5,6 tetrakisphosphate + phosphate
-
?
3.1.3.8 myo-inositol hexakisphosphate + H2O dodecasodium myo-inositol hexakisphosphate Aspergillus niger 1-L-myo-inositol 1,2,4,5,6-pentakisphosphate + myo-inositol-1,2,5,6 tetrakisphosphate + phosphate
-
?
3.1.3.8 phenyl phosphate + H2O
-
Aspergillus niger phenol + phosphate
-
?
3.1.3.8 riboflavin 5'-phosphate + H2O
-
Aspergillus niger riboflavin + phosphate
-
?

Subunits

EC Number Subunits Comment Organism
3.1.3.8 monomer 1 * 90000-100000, SDS-PAGE Aspergillus niger

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.1.3.8 55
-
-
Aspergillus niger

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.1.3.8 40
-
pH 2-7, 2 h, stable Aspergillus niger
3.1.3.8 60
-
10 min, 5% loss of activity Aspergillus niger
3.1.3.8 70
-
10 min, 10% loss of activity Aspergillus niger
3.1.3.8 80
-
10 min, 25% loss of activity Aspergillus niger

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.3.8 5
-
-
Aspergillus niger

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.1.3.8 2 7 40°C, 2 h, stable Aspergillus niger