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Literature summary for 3.1.1.20 extracted from

  • Sharma, S.; Agarwal, L.; Saxena, R.K.
    Purification, immobilization and characterization of tannase from Penicillium variable (2007), Biores. Technol., 99, 2544-2551.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
sodium cholate
-
Talaromyces variabilis
sodium taurocholate
-
Talaromyces variabilis

Application

Application Comment Organism
synthesis the enzyme immobilized on Amberlite IR retains about 85% of the initial catalytic activity even after ninth cycle of its use, immobilization method optimization, overview Talaromyces variabilis

Protein Variants

Protein Variants Comment Organism
additional information the enzyme immobilized on Amberlite IR retains about 85% of the initial catalytic activity even after ninth cycle of its use, immobilization method optimization, overview Talaromyces variabilis

Inhibitors

Inhibitors Comment Organism Structure
1,10-phenanthroline
-
Talaromyces variabilis
1-[(naphthalen-1-yl)oxy]-3-[(propan-2-yl)amino]propan-2-ol
-
Talaromyces variabilis
acetone complete inactivation Talaromyces variabilis
beta-mercaptoethanol
-
Talaromyces variabilis
Bromoacetic acid
-
Talaromyces variabilis
carbon tetrachloride complete inactivation Talaromyces variabilis
cyanamide
-
Talaromyces variabilis
DTT
-
Talaromyces variabilis
ethanol
-
Talaromyces variabilis
formaldehyde complete inactivation Talaromyces variabilis
heptane
-
Talaromyces variabilis
iodoacetic acid
-
Talaromyces variabilis
mercuric benzoic acid
-
Talaromyces variabilis
additional information no inhibition by Triton X-100 Talaromyces variabilis
NEM 81% inhibition Talaromyces variabilis
petroleum ether
-
Talaromyces variabilis
phenyl boronic acid
-
Talaromyces variabilis
PMSF 72% inhibition Talaromyces variabilis
SDS complete inactivation Talaromyces variabilis
sodium cholate
-
Talaromyces variabilis
tetrahydrofuran complete inactivation Talaromyces variabilis
Toluene
-
Talaromyces variabilis
Tween-60 complete inactivation Talaromyces variabilis
Tween-80 complete inactivation Talaromyces variabilis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
32
-
Tannic acid pH 5.0, 50°C Talaromyces variabilis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
158000
-
2 * 158000, SDS-PAGE Talaromyces variabilis
310000
-
gel filtration Talaromyces variabilis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
tannic acid + H2O Talaromyces variabilis
-
gallate + ?
-
?
tannic acid + H2O Talaromyces variabilis IARI 2031
-
gallate + ?
-
?

Organism

Organism UniProt Comment Textmining
Talaromyces variabilis
-
-
-
Talaromyces variabilis IARI 2031
-
-
-

Purification (Commentary)

Purification (Comment) Organism
native enzyme 135fold by ultrafiltration using 100 kDa molecular weight cut off and gel filtration Talaromyces variabilis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2055
-
purified native enzyme Talaromyces variabilis

Storage Stability

Storage Stability Organism
shelf-life of crude and crude lyophilized tannase at 4°C and at 30°C, 70% remaining activity after 365 days, overview Talaromyces variabilis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
tannic acid + H2O
-
Talaromyces variabilis gallate + ?
-
?
tannic acid + H2O tannins from Chebulina myrobalan Talaromyces variabilis gallate + ?
-
?
tannic acid + H2O
-
Talaromyces variabilis IARI 2031 gallate + ?
-
?
tannic acid + H2O tannins from Chebulina myrobalan Talaromyces variabilis IARI 2031 gallate + ?
-
?

Subunits

Subunits Comment Organism
dimer 2 * 158000, SDS-PAGE Talaromyces variabilis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Talaromyces variabilis

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
25 80 activity range Talaromyces variabilis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
-
Talaromyces variabilis

pH Range

pH Minimum pH Maximum Comment Organism
3 8 activity range Talaromyces variabilis