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Literature summary for 3.2.1.15 extracted from

  • Heinrichova, K.; Dzurova, M.
    Purification, characterization and mode of effect of another endo-D-galacturonase from Aspergillus niger (1981), Collect. Czech. Chem. Commun., 46, 3145-3156.
No PubMed abstract available
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KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.34
-
 polygalacturonic acid
-
 Aspergillus niger
0.7
-
 alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
 Aspergillus niger
0.89
-
 alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
 Aspergillus niger
1.82
-
 alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
 Aspergillus niger
3.67
-
 alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
 Aspergillus niger

Organism

Organism UniProt Comment Textmining
Aspergillus niger
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Aspergillus niger

Source Tissue

Source Tissue Comment Organism Textmining
commercial preparation Pectinex ultra Aspergillus niger
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + H2O
-
 Aspergillus niger digalacturonic acid + galacturonate
-
 ?
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + H2O
-
 Aspergillus niger alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + D-galacturonate
-
 ?
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + H2O
-
 Aspergillus niger alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
 ?
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + H2O
-
 Aspergillus niger alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
 ?
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate + H2O
-
 Aspergillus niger ?
-
 ?
pectin + H2O
-
 Aspergillus niger ?
-
 ?
polygalacturonate + H2O
-
 Aspergillus niger oligogalacturonates
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
 Aspergillus niger

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.9
-
-
 Aspergillus niger