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Literature summary for 3.2.1.1 extracted from

  • Brown, S.H.; Costantino, H.R.; Kelly, R.M.
    Characterization of amylolytic enzyme activities associated with the hyperthermophilic archaebacterium Pyrococcus furiosus (1990), Appl. Environ. Microbiol., 56, 1985-1991.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
alpha-cyclodextrin 1-10 mM, 25-35% inhibition Pyrococcus furiosus
beta-cyclodextrin 1-10 mM, 10-25% inhibition Pyrococcus furiosus
EDTA 1-10 mM, about 60-65% inhibition Pyrococcus furiosus
EGTA 1-10 mM, about 50% inhibition Pyrococcus furiosus

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular alpha-amylase is primarily extracellular Pyrococcus furiosus
-
-
intracellular alpha-amylase is primarily extracellular Pyrococcus furiosus 5622
-

Organism

Organism UniProt Comment Textmining
Pyrococcus furiosus
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
starch + H2O
-
Pyrococcus furiosus ?
-
?

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
90 109 activity at 90°C is about 60% compared to the activity at 108°C Pyrococcus furiosus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
98
-
8 h, about 70% loss of activity Pyrococcus furiosus
105
-
2 h, about 80% loss of activity Pyrococcus furiosus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.6
-
-
Pyrococcus furiosus