Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.2.1.1 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

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

Metals/Ions

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

Molecular Weight [Da]

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

Organism

Organism UniProt Comment Textmining
Bacteria
-
SS71
-
Bacteria SS71
-
SS71
-

Specific Activity [micromol/min/mg]

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

Substrates and Products (Substrate)

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

Subunits

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

Temperature Optimum [°C]

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

Temperature Range [°C]

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

Temperature Stability [°C]

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Bacteria

pH Stability

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