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Literature summary extracted from

  • de Aquino, A.C.M.; Peixoto-Nogueira, S.C.; Jorge, J.A.; Terenzi, H.F.; Polizeli, M.de L.
    Characterization of an acid trehalase produced by the thermotolerant fungus Rhizopus microsporus var. rhizopodiformis: biochemical properties and immunochemical localisation (2005), FEMS Microbiol. Lett., 251, 169-175.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.28 0.2
-
alpha,alpha-trehalose pH 4.5, 45°C Rhizopus microsporus var. rhizopodiformis

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.28 cell surface tightly packed Rhizopus microsporus var. rhizopodiformis 9986
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.28 51500
-
2 * 60000, SDS-PAGE, 2 * 51500, deglycosylated enzyme, SDS-PAGE Rhizopus microsporus var. rhizopodiformis
3.2.1.28 60000
-
2 * 60000, SDS-PAGE, 2 * 51500, deglycosylated enzyme, SDS-PAGE Rhizopus microsporus var. rhizopodiformis
3.2.1.28 105000
-
gel filtration Rhizopus microsporus var. rhizopodiformis

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.28 Rhizopus microsporus var. rhizopodiformis
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.2.1.28 glycoprotein carbohydrate content is 72% Rhizopus microsporus var. rhizopodiformis

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.28 native enzyme to homogeneity Rhizopus microsporus var. rhizopodiformis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.28 alpha,alpha-trehalose + H2O
-
Rhizopus microsporus var. rhizopodiformis 2 D-glucose
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.28 dimer 2 * 60000, SDS-PAGE, 2 * 51500, deglycosylated enzyme, SDS-PAGE Rhizopus microsporus var. rhizopodiformis

Synonyms

EC Number Synonyms Comment Organism
3.2.1.28 acid trehalase
-
Rhizopus microsporus var. rhizopodiformis

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.28 45
-
-
Rhizopus microsporus var. rhizopodiformis

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.28 50
-
1 h, stable, purified enzyme Rhizopus microsporus var. rhizopodiformis
3.2.1.28 60
-
half-life of purified enzyme is 1.3 min Rhizopus microsporus var. rhizopodiformis

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.28 4.5
-
-
Rhizopus microsporus var. rhizopodiformis

pI Value

EC Number Organism Comment pI Value Maximum pI Value
3.2.1.28 Rhizopus microsporus var. rhizopodiformis
-
-
6.7