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Literature summary for 3.1.1.20 extracted from

  • Gayen, S.; Ghosh, U.
    Purification and characterization of tannin acyl hydrolase produced by mixed solid state fermentation of wheat bran and marigold flower by Penicillium notatum NCIM 923 (2013), BioMed Res. Int., 2013, 596380.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.3
-
Tannic acid purified enzyme, at pH 5.0 and 37°C Penicillium chrysogenum
6.6
-
Tannic acid crude enzyme, at pH 5.0 and 37°C Penicillium chrysogenum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
43000
-
1 * 97000 + 1 * 43000, SDS-PAGE Penicillium chrysogenum
97000
-
1 * 97000 + 1 * 43000, SDS-PAGE Penicillium chrysogenum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
digallate + H2O Penicillium chrysogenum
-
gallate
-
?
digallate + H2O Penicillium chrysogenum NCIM 923
-
gallate
-
?
tannic acid + H2O Penicillium chrysogenum
-
gallate + D-glucose
-
?
tannic acid + H2O Penicillium chrysogenum NCIM 923
-
gallate + D-glucose
-
?

Organism

Organism UniProt Comment Textmining
Penicillium chrysogenum
-
-
-
Penicillium chrysogenum NCIM 923
-
-
-

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate precipitation and DEAE cellulose column chromatography Penicillium chrysogenum

Source Tissue

Source Tissue Comment Organism Textmining

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
digallate + H2O
-
Penicillium chrysogenum gallate
-
?
digallate + H2O
-
Penicillium chrysogenum NCIM 923 gallate
-
?
epigallocatechin gallate + H2O
-
Penicillium chrysogenum gallate + epigallocatechin
-
?
epigallocatechin gallate + H2O
-
Penicillium chrysogenum NCIM 923 gallate + epigallocatechin
-
?
gallotannin + H2O
-
Penicillium chrysogenum gallate + D-glucose
-
?
gallotannin + H2O
-
Penicillium chrysogenum NCIM 923 gallate + D-glucose
-
?
methyl gallate + H2O
-
Penicillium chrysogenum gallate + methanol
-
?
methyl gallate + H2O
-
Penicillium chrysogenum NCIM 923 gallate + methanol
-
?
tannic acid + H2O
-
Penicillium chrysogenum gallate + D-glucose
-
?
tannic acid + H2O
-
Penicillium chrysogenum NCIM 923 gallate + D-glucose
-
?

Subunits

Subunits Comment Organism
heterodimer 1 * 97000 + 1 * 43000, SDS-PAGE Penicillium chrysogenum

Synonyms

Synonyms Comment Organism
tannin acyl hydrolase
-
Penicillium chrysogenum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35 40
-
Penicillium chrysogenum

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40 60 after 12 h incubation, above 95% activity is retained at 40°C, while the enzyme retains more than 60% of its activity at 60°C Penicillium chrysogenum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
-
Penicillium chrysogenum

pH Stability

pH Stability pH Stability Maximum Comment Organism
3 8 after 12 h incubation, the enzyme retains 40% activity at pH 3.0 and 8.0, respectively Penicillium chrysogenum