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Literature summary for 3.1.1.20 extracted from

  • Sabu, A.; Kiran, G.S.; Pandey, A.
    Purification and characterization of tannin acyl hydrolase from Aspergillus niger ATCC 16620 (2005), Food Technol. Biotechnol., 43, 133-138.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Ca2+
-
Aspergillus niger
Cu2+
-
Aspergillus niger
Fe2+
-
Aspergillus niger
Mg2+
-
Aspergillus niger
Mn2+
-
Aspergillus niger
Zn2+
-
Aspergillus niger

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.03
-
(25R)-3beta-hydroxycholest-5-en-27-oate pH 6.0 Aspergillus niger

Metals/Ions

Metals/Ions Comment Organism Structure
K+
-
Aspergillus niger

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
168000
-
x * 168000, SDS-PAGE Aspergillus niger

Organism

Organism UniProt Comment Textmining
Aspergillus niger
-
strain ATCC 16620
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.6
-
pH 6.0 Aspergillus niger

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(25R)-3beta-hydroxycholest-5-en-27-oate + H2O
-
Aspergillus niger ?
-
?
methyl gallate + H2O
-
Aspergillus niger gallic acid + methanol
-
?

Subunits

Subunits Comment Organism
? x * 168000, SDS-PAGE Aspergillus niger

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
30 40
-
Aspergillus niger

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
stable up to Aspergillus niger

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Aspergillus niger

pH Stability

pH Stability pH Stability Maximum Comment Organism
3.5
-
unstable below Aspergillus niger