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Literature summary extracted from

  • Maentsaelae, P.; Zalkin, H.
    Membrane-bound and soluble extracellular alpha-amylase from Bacillus subtilis (1979), J. Biol. Chem., 254, 8540-8547.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.1 1,10-phenanthroline 1 mM, 39% loss of activity of the membrane-bound enzyme Bacillus subtilis
3.2.1.1 diisopropyl fluorophosphate 1 mM, 34% inhibition of the membrane-bound enzyme Bacillus subtilis
3.2.1.1 EDTA 10 mM, 67% inhibition Bacillus subtilis
3.2.1.1 EGTA 10 mM, 53% inhibition of the membrane-bound enzyme Bacillus subtilis
3.2.1.1 N-alpha-p-tosyl-L-lysine chloromethyl ketone 1 mM, 22% loss of the activity of the membrane-bound enzyme Bacillus subtilis
3.2.1.1 PMSF 1 mM, 14% loss of activity of the membrane-bound enzyme Bacillus subtilis

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.1 extracellular
-
Bacillus subtilis
-
-
3.2.1.1 membrane bound to, the enzyme is latent in membrane vesicles Bacillus subtilis 16020
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.1 Ca2+ 40 mM calcium acetate, enhances activity of membrane-bound enzyme to 268% of control Bacillus subtilis
3.2.1.1 Mg2+ 40 mM magnesium acetate, enhances activity of the membrane-bound enzyme to 216% of the control Bacillus subtilis

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.1 67000
-
extracellular enzyme, gel filtration Bacillus subtilis

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.1 Bacillus subtilis
-
Marburg strain
-
3.2.1.1 Bacillus subtilis Marburg / DSM 10 / ATCC 6051
-
Marburg strain
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.2.1.1 side-chain modification membrane-derived enzyme contains phospholipid, predominantly phosphatidylethanolamine Bacillus subtilis

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.1 extracellular and membrane-bound enzyme Bacillus subtilis

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 additional information
-
-
Bacillus subtilis

Subunits

EC Number Subunits Comment Organism
3.2.1.1 monomer 1 * 67000, extracellular enzyme, SDS-PAGE Bacillus subtilis