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Literature summary for 3.1.1.20 extracted from

  • Skene, I.K.; Brooker, J.D.
    Characterization of tannin acylhydrolase activity in the ruminal bacterium Selenomonas ruminantium (1995), Anaerobe, 1, 321-327.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.6
-
methyl gallate
-
Selenomonas ruminantium

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
59000
-
x * 59000, SDS-PAGE Selenomonas ruminantium

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
tannic acid + H2O Selenomonas ruminantium
-
?
-
?

Organism

Organism UniProt Comment Textmining
Selenomonas ruminantium
-
subsp. ruminantium
-

Source Tissue

Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
6.8
-
methyl gallate, activity increases 17fold, when the cells are grown in the presence of methyl gallate and 36fold in the presence of tannic acid Selenomonas ruminantium

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
methyl gallate + H2O
-
Selenomonas ruminantium gallic acid + methanol
-
?
tannic acid + H2O
-
Selenomonas ruminantium gallic acid + ?
-
?
tannic acid + H2O
-
Selenomonas ruminantium ?
-
?

Subunits

Subunits Comment Organism
? x * 59000, SDS-PAGE Selenomonas ruminantium

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30 40
-
Selenomonas ruminantium

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
20 60 20°C: 58% of the maximal activity, 60°C: 2% of the maximal activity Selenomonas ruminantium

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Selenomonas ruminantium

pH Range

pH Minimum pH Maximum Comment Organism
6 8 pH 6: 53% of the maximal activity, pH 8: 85% of the maximal activity Selenomonas ruminantium