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Literature summary for 3.2.1.28 extracted from

  • Biswas, N.; Ghosh, A.K.
    Characterization of an acid trehalase of Saccharomyces cerevisiae present in trehalase-sucrase aggregate (1996), Biochim. Biophys. Acta, 1290, 95-100.
    View publication on PubMed

General Stability

General Stability Organism
trehalase is stabilized by aggregation with sucrase Saccharomyces cerevisiae

Inhibitors

Inhibitors Comment Organism Structure
acetate
-
Saccharomyces cerevisiae
glycerol 2.5% Saccharomyces cerevisiae
phosphate
-
Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
5
-
trehalose
-
Saccharomyces cerevisiae

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
acid trehalase-sucrase aggregate Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Saccharomyces cerevisiae

Storage Stability

Storage Stability Organism
0-4°C, pH 4.5, 50% loss of activity after 1 month Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
trehalose + H2O
-
Saccharomyces cerevisiae D-glucose
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40 45
-
Saccharomyces cerevisiae

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
30 50 30°C: 80% of maximal activity, 50°C: 50% of maximal activity Saccharomyces cerevisiae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
-
Saccharomyces cerevisiae

pH Stability

pH Stability pH Stability Maximum Comment Organism
3.5
-
15 min, around 40% loss of activity Saccharomyces cerevisiae
7
-
15 min, around 40% loss of activity Saccharomyces cerevisiae