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Literature summary for 3.2.1.133 extracted from

  • Kolcuoglu, Y.; Colak, A.; Faiz, O.; Belduz, A.
    Cloning, expression and characterization of highly thermo- and pH-stable maltogenic amylase from a thermophilic bacterium Geobacillus caldoxylosilyticus TK4 (2010), Process Biochem., 45, 821-828.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
Ca2+ the enzyme is activated by 15% at 5 mM Parageobacillus caldoxylosilyticus
Mn2+ the enzyme is activated by 51% at 5 mM Parageobacillus caldoxylosilyticus

Cloned(Commentary)

Cloned (Comment) Organism
gene GcaTK4MA, DNA and amino acid sequence determination and analysis, sequence comparison and phylogenetic tree, expression of His6-tagged TK4MA in Escherichia coli strain BL21(DE3), subcloning in Escherichia coli strain JM101 Parageobacillus caldoxylosilyticus

Inhibitors

Inhibitors Comment Organism Structure
Co2+ the enzyme is inhibited by 23% at 5 mM Parageobacillus caldoxylosilyticus
Cu2+ the enzyme is inhibited by 15% at 5 mM Parageobacillus caldoxylosilyticus
Fe2+ the enzyme is inhibited by 28% at 5 mM Parageobacillus caldoxylosilyticus
Li+ the enzyme is inhibited by 67% at 5 mM Parageobacillus caldoxylosilyticus

Localization

Localization Comment Organism GeneOntology No. Textmining
additional information the enzyme sequence contains no signal sequence Parageobacillus caldoxylosilyticus
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
additional information 5 mM Zn2+ has no effect on the enzyme activity Parageobacillus caldoxylosilyticus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
70030
-
x * 70030, sequence calculation Parageobacillus caldoxylosilyticus

Organism

Organism UniProt Comment Textmining
Parageobacillus caldoxylosilyticus C0LZ63 gene GcaTK4MA; gene GcaTK4MA
-
Parageobacillus caldoxylosilyticus TK4 C0LZ63 gene GcaTK4MA; gene GcaTK4MA
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
beta-cyclodextrin + H2O
-
Parageobacillus caldoxylosilyticus ?
-
?
beta-cyclodextrin + H2O
-
Parageobacillus caldoxylosilyticus TK4 ?
-
?

Subunits

Subunits Comment Organism
? x * 70030, sequence calculation Parageobacillus caldoxylosilyticus

Synonyms

Synonyms Comment Organism
MAase
-
Parageobacillus caldoxylosilyticus
maltogenic amylase
-
Parageobacillus caldoxylosilyticus
More the enzyme belongs to a subclass of cyclodextrin-hydrolyzing enzymes, belonging to glycoside hydrolase family 13, GH13 Parageobacillus caldoxylosilyticus
TK4MA
-
Parageobacillus caldoxylosilyticus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Parageobacillus caldoxylosilyticus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
30 80 profile, overview Parageobacillus caldoxylosilyticus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Parageobacillus caldoxylosilyticus

pH Range

pH Minimum pH Maximum Comment Organism
6 9 activity range, profile, overview Parageobacillus caldoxylosilyticus