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Literature summary extracted from

  • Zhang, J.W.; Zeng, R.Y.
    Purification and characterization of a cold-adapted alpha-amylase produced by Nocardiopsis sp. 7326 isolated from Prydz Bay, Antarctic (2008), Mar. Biotechnol., 10, 75-82.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.2.1.1 Ca2+ 5 mM, 1.15fold activation Nocardiopsis sp.
3.2.1.1 Co2+ 5 mM, 1.39fold activation Nocardiopsis sp.
3.2.1.1 Cu2+ 5 mM, 1.42fold activation Nocardiopsis sp.
3.2.1.1 Mg2+ 5 mM, 1.13fold activation Nocardiopsis sp.
3.2.1.1 Mn2+ 5 mM, 1.43fold activation Nocardiopsis sp.

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.1 EDTA 5 mM, 15% inhibition Nocardiopsis sp.
3.2.1.1 Hg2+ 5 mM, 28% inhibition Nocardiopsis sp.
3.2.1.1 Rb+ 5 mM, 33% inhibition Nocardiopsis sp.

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.1 55000
-
x * 55000, SDS-PAGE Nocardiopsis sp.

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.1 Nocardiopsis sp.
-
-
-
3.2.1.1 Nocardiopsis sp. 7326
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.1
-
Nocardiopsis sp.

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.1 548
-
-
Nocardiopsis sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.1 soluble starch + H2O
-
Nocardiopsis sp. glucose + maltose + maltotriose
-
?
3.2.1.1 soluble starch + H2O
-
Nocardiopsis sp. 7326 glucose + maltose + maltotriose
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.1 ? x * 55000, SDS-PAGE Nocardiopsis sp.

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.1 35
-
-
Nocardiopsis sp.

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.2.1.1
-
50 0°C: about 25% of maximal activity, 50°C: about 40% of maximal activity Nocardiopsis sp.

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.1 55
-
30 min, 82% loss of activity Nocardiopsis sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.1 8
-
-
Nocardiopsis sp.

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.1 5.6 10 pH 5.6: about 30% of maximal activity, pH 10.0: about 40% of maximal activity Nocardiopsis sp.

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.1 5 10 4°C, 24 h, stable Nocardiopsis sp.