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Literature summary for 3.2.1.1 extracted from

  • Hameed, U.; Price, I.; Ikram-Ul-Ha, I.; Ke, A.; Wilson, D.; Mirza, O.
    Functional characterization and crystal structure of thermostable amylase from Thermotoga petrophila, reveals high thermostability and an unusual form of dimerization (2017), Biochim. Biophys. Acta, 1865, 1237-1245 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
overexpressed in Escherichia coli Thermotoga petrophila

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Thermotoga petrophila

Inhibitors

Inhibitors Comment Organism Structure
acarbose activity is reduced to 56.4% in the presence of 0.00002 mM of inhibitor and inhibition reaches 77% at 0.00008 mM concentration Thermotoga petrophila
Cu2+ 1 mM, 99% loss of activity Thermotoga petrophila
Fe2+ 1 mM, 98% loss of activity Thermotoga petrophila
Fe3+ 1 mM, complete loss of activity Thermotoga petrophila
Mg2+ 1 mM, 14% loss of activity Thermotoga petrophila
Mn2+ 1 mM, complete loss of activity Thermotoga petrophila
additional information Li+ and Na+ do not show significant inhibitory effect Thermotoga petrophila
Ni2+ 1 mM, 99% loss of activity Thermotoga petrophila
Pb2+ 1 mM, complete loss of activity Thermotoga petrophila

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ 1 mM, increases activity by 20% Thermotoga petrophila
K+ 1 mM, increases activity by 16% Thermotoga petrophila
Rb+ 1 mM, increases activity by 10% Thermotoga petrophila

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
62720
-
electrospray ionisation Thermotoga petrophila

Organism

Organism UniProt Comment Textmining
Thermotoga petrophila A5ILB0
-
-
Thermotoga petrophila DSM 13995 A5ILB0
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Thermotoga petrophila

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
starch + H2O
-
Thermotoga petrophila dextrin
-
?
starch + H2O
-
Thermotoga petrophila DSM 13995 dextrin
-
?

Subunits

Subunits Comment Organism
dimer
-
Thermotoga petrophila

Synonyms

Synonyms Comment Organism
Tp-AmyS
-
Thermotoga petrophila

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
98
-
-
Thermotoga petrophila

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
80 105 80°C: about 60% of maximal activity, 105°C: about 80% of maximal activity Thermotoga petrophila

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
-
Thermotoga petrophila