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Literature summary for 3.1.1.20 extracted from

  • Raghuwanshi, S.; Dutt, K.; Gupta, P.; Misra, S.; Saxena, R.K.
    Bacillus sphaericus: the highest bacterial tannase producer with potential for gallic acid synthesis (2011), J. Biosci. Bioeng., 111, 635-640.
    View publication on PubMed

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Lysinibacillus sphaericus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
tannic acid + H2O Lysinibacillus sphaericus
-
gallic acid + D-glucose
-
?

Organism

Organism UniProt Comment Textmining
Lysinibacillus sphaericus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate precipitation and ultrafiltration Lysinibacillus sphaericus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
methyl gallate + H2O
-
Lysinibacillus sphaericus gallate + methanol
-
?
tannic acid + H2O
-
Lysinibacillus sphaericus gallic acid + D-glucose
-
?

Synonyms

Synonyms Comment Organism
tannin acyl hydrolase
-
Lysinibacillus sphaericus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Lysinibacillus sphaericus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
-
Lysinibacillus sphaericus

pH Range

pH Minimum pH Maximum Comment Organism
3 8
-
Lysinibacillus sphaericus

Expression

Organism Comment Expression
Lysinibacillus sphaericus tannase production is inducible in the presence of tannic acid. Tannase production is supported to various extents by galactose, maltose, sucrose, dextran and xylitol in the presence of 1.5% tannic acid. 2.0% (w/v) galactose increases tannase production by 1.4fold. Increasing the concentration of ammonium chloride to 0.5% (w/v) significantly increases tannase up