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Literature summary extracted from

  • Shankar, S.K.; Dhananjay, S.K.; Mulimani, V.H.
    Purification and characterization of thermostable alpha-galactosidase from Aspergillus terreus (GR) (2009), Appl. Biochem. Biotechnol., 152, 275-285.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.22 Ag+
-
 Aspergillus terreus
3.2.1.22 Cu2+
-
 Aspergillus terreus
3.2.1.22 Hg2+
-
 Aspergillus terreus
3.2.1.22 additional information not inhibitory: Mg2+, Ni2+, Ca2+, Co2+, Mn2+ Aspergillus terreus
3.2.1.22 N-bromosuccinimide 100% inhibition Aspergillus terreus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.22 0.1
-
 4-nitrophenyl alpha-D-galactoside pH 5.0, 65°C Aspergillus terreus
3.2.1.22 0.28
-
 2-nitrophenyl alpha-D-galactoside pH 5.0, 65°C Aspergillus terreus
3.2.1.22 0.33
-
 stachyose pH 5.0, 65°C Aspergillus terreus
3.2.1.22 0.42
-
 raffinose pH 5.0, 65°C Aspergillus terreus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.22 extracellular
-
 Aspergillus terreus
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.22 108000
-
 x * 108000, SDS-PAGE Aspergillus terreus

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.22 Aspergillus terreus
-
 growth on guar gum as sole carbon source
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.22 36.8
-
 pH 5.0, 65°C Aspergillus terreus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.22 2-nitrophenyl alpha-D-galactoside + H2O
-
 Aspergillus terreus 2-nitrophenol + alpha-D-galactose
-
 ?
3.2.1.22 4-nitrophenyl alpha-D-galactoside + H2O
-
 Aspergillus terreus 4-nitrophenol + alpha-D-galactose
-
 ?
3.2.1.22 raffinose + H2O
-
 Aspergillus terreus sucrose + alpha-D-galactose
-
 ?
3.2.1.22 stachyose + H2O
-
 Aspergillus terreus ?
-
 ?

Subunits

EC Number Subunits Comment Organism
3.2.1.22 ? x * 108000, SDS-PAGE Aspergillus terreus

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.22 65
-
-
 Aspergillus terreus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.22 65
-
 40 min, stable Aspergillus terreus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.22 5
-
-
 Aspergillus terreus