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Literature summary for 3.2.1.3 extracted from

  • Benassi, V.M.; Pasin, T.M.; Facchini, F.D.; Jorge, J.A.; Teixeira de Moraes Polizeli, M.d.e..L.
    A novel glucoamylase activated by manganese and calcium produced in submerged fermentation by Aspergillus phoenicis (2014), J. Basic Microbiol., 54, 333-339.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
Na2HPO4 5 mM, 120% of initial activity Aspergillus phoenicis
NaCl 5 mM, 117% of initial activity Aspergillus phoenicis

Inhibitors

Inhibitors Comment Organism Structure
Ba2+ 5 mM, 90% residual activity Aspergillus phoenicis
Fe3+ 5 mM, 83% residual activity Aspergillus phoenicis
Mg2+ 5 mM, 85% residual activity Aspergillus phoenicis
Pb2+ 5 mM, 77% residual activity Aspergillus phoenicis

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ 5 mM, 230% of initial activity Aspergillus phoenicis
Co2+ 5 mM, 131% of initial activity Aspergillus phoenicis
Mn2+ 5 mM, 276% of initial activity Aspergillus phoenicis

Organism

Organism UniProt Comment Textmining
Aspergillus phoenicis
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
starch + H2O
-
Aspergillus phoenicis D-glucose + ? sole product ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60 65
-
Aspergillus phoenicis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
30 65 completely stable for 1 h Aspergillus phoenicis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5
-
sodium acetate buffer Aspergillus phoenicis
5
-
McIlvaine buffer Aspergillus phoenicis

pH Range

pH Minimum pH Maximum Comment Organism
3 6
-
Aspergillus phoenicis

Expression

Organism Comment Expression
Aspergillus phoenicis enzyme expression is inhibited by glucose down
Aspergillus phoenicis enzyme expression is induced by maltose up