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Literature summary for 3.2.1.28 extracted from

  • de Almeida, F.M.; Bonini, B.M.; Beton, D.; Jorge, J.A.; Terenzi, H.F.; da Silva, A.M.
    Heterologous expression in Escherichia coli of Neurospora crassa neutral trehalase as an active enzyme (2009), Protein Expr. Purif., 65, 185-189.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Neurospora crassa

Inhibitors

Inhibitors Comment Organism Structure
Ag+
-
Neurospora crassa
Al3+
-
Neurospora crassa
ATP
-
Neurospora crassa
Co2+
-
Neurospora crassa
Cu2+
-
Neurospora crassa

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
42
-
alpha,alpha-trehalose pH 7.0, 30°C Neurospora crassa

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ absolutely required Neurospora crassa

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
81000
-
gel filtration Neurospora crassa
84000
-
1 * 84000, SDS-PAGE and calculated Neurospora crassa

Organism

Organism UniProt Comment Textmining
Neurospora crassa O42783 neutral trehalase
-

Posttranslational Modification

Posttranslational Modification Comment Organism
phosphoprotein enzyme is phosphorylated by cAMP-dependent protein kinase, but not significantly activated Neurospora crassa

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
80 150 pH 7.0, 30°C Neurospora crassa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
alpha,alpha-trehalose + H2O
-
Neurospora crassa 2 D-glucopyranose
-
?
additional information enzyme is absolutely specific for trehalose Neurospora crassa ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 84000, SDS-PAGE and calculated Neurospora crassa

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Neurospora crassa

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
half-life 2.5 min Neurospora crassa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Neurospora crassa