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Literature summary extracted from

  • Sugita, H.; Kuruma, A.; Deguchi, Y.
    Purification and Some Properties of an ?-Amylase from an Anaerobic Bacterium Isolated from Coastal Sediment. (1997), Biosci. Biotechnol. Biochem., 61, 1757-1759.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.1 Cu2+ 1 mM, 99% loss of activity Bacteria
3.2.1.1 EDTA
-
Bacteria
3.2.1.1 Hg2+ 1 mM, complete inactivation Bacteria
3.2.1.1 Zn2+ 1 mM, 87% inactivation Bacteria

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.1 Ca2+ stimulates Bacteria
3.2.1.1 Mg2+ stimulates Bacteria
3.2.1.1 Na+ activity is promoted by 0.5-2.0% NaCl Bacteria

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.1 87000
-
x * 87000, SDS-PAGE in absence of 2-mercaptoethanol Bacteria
3.2.1.1 87000
-
x * 87000, SDS-PAGE in absence of SDS Bacteria

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.1 Bacteria
-
SS71
-
3.2.1.1 Bacteria SS71
-
SS71
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.1 50
-
-
Bacteria

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.1 starch + H2O
-
Bacteria additional information
-
?
3.2.1.1 starch + H2O
-
Bacteria SS71 additional information
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.1 ? x * 87000, SDS-PAGE in absence of 2-mercaptoethanol Bacteria
3.2.1.1 ? x * 87000, SDS-PAGE in absence of SDS Bacteria

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.1 35
-
-
Bacteria

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.2.1.1 30 45 83% of maximal activity at 30°C and at 45°C Bacteria

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.1 30
-
30 min, stable Bacteria
3.2.1.1 40
-
30 min, 23% loss of activity Bacteria
3.2.1.1 60
-
30 min, complete inactivation Bacteria

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.1 7
-
-
Bacteria

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.1 4
-
30°C, 30 min, inactivation below Bacteria
3.2.1.1 7 8 10°C, 30 min, stable Bacteria