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Literature summary extracted from

  • Jorgensen, S.; Vorgias, C.E.; Antranikian G.
    Cloning, sequencing, characterization, and expression of an extracellular alpha-amylase from the hyperthermophilic archaeon Pyrococcus furiosus in Escherichia coli and Bacillus subtilis (1997), J. Biol. Chem., 272, 16335-16342.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.2.1.1 expression in Escherichia coli and Bacillus subtilis Pyrococcus furiosus

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.1 Co2+ slight Pyrococcus furiosus
3.2.1.1 Cu2+ 5 mM, complete inhibition Pyrococcus furiosus
3.2.1.1 Fe2+ slight Pyrococcus furiosus
3.2.1.1 Ni2+ slight inhibition Pyrococcus furiosus
3.2.1.1 Zn2+ 5 mM, complete inhibition Pyrococcus furiosus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.1 extracellular
-
Pyrococcus furiosus
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.1 52875
-
x * 52875, extracellular enzyme, calculation from nucleotide sequence Pyrococcus furiosus

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.1 Pyrococcus furiosus O08452
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.1 amylopectin + H2O
-
Pyrococcus furiosus additional information
-
?
3.2.1.1 amylose + H2O
-
Pyrococcus furiosus additional information
-
?
3.2.1.1 maltodextran + H2O
-
Pyrococcus furiosus ?
-
?
3.2.1.1 maltodextrin + H2O white dextrin Pyrococcus furiosus ?
-
?
3.2.1.1 starch + H2O soluble starch Pyrococcus furiosus additional information
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.1 ? x * 52875, extracellular enzyme, calculation from nucleotide sequence Pyrococcus furiosus

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.1 100
-
-
Pyrococcus furiosus
3.2.1.1 100 105
-
Pyrococcus furiosus

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.2.1.1 70 130 70°C: about 55% of maximal activity, 130°C: about 65% of maximal activity Pyrococcus furiosus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.1 100
-
6 h, 20% loss of activity Pyrococcus furiosus
3.2.1.1 115
-
3 h, 65% loss of activity Pyrococcus furiosus
3.2.1.1 120
-
1 h, 40% loss of activity Pyrococcus furiosus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.1 4.5
-
-
Pyrococcus furiosus

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.1 3.5 7.5 pH 3.5: about 70% of maximal activity, pH 7.5: about 40% of maximal activity Pyrococcus furiosus