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Literature summary extracted from

  • Matsushita, S.
    Purification and partial characterization of chick intestinal sucrase (1983), Comp. Biochem. Physiol. B, 76, 465-470.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.48 Na+ high concentration Gallus gallus
3.2.1.48 sucrose high concentration Gallus gallus
3.2.1.48 Tris concentration-dependent biphasic effect, first causing activation, fully competitive inhibition above pH 6.8, inhibition is stronger at alkaline pH values Gallus gallus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.48 10.5
-
 sucrose
-
 Gallus gallus

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.48 Na+ low concentration: activation Gallus gallus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.48 270000
-
 SDS-PAGE Gallus gallus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.48 isomaltose + H2O Gallus gallus
-
 glucose
-
 ?
3.2.1.48 maltose + H2O Gallus gallus
-
 2 glucose
-
 ?
3.2.1.48 sucrose + H2O Gallus gallus
-
 D-glucose + D-fructose
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.48 Gallus gallus
-
 chicken
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.48
-
 Gallus gallus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.48 isomaltose + H2O
-
 Gallus gallus glucose
-
 ?
3.2.1.48 isomaltose + H2O
-
 Gallus gallus 2 D-glucose
-
 ?
3.2.1.48 maltose + H2O
-
 Gallus gallus 2 glucose
-
 ?
3.2.1.48 maltose + H2O
-
 Gallus gallus 2 D-glucose
-
 ?
3.2.1.48 sucrose + H2O
-
 Gallus gallus D-glucose + D-fructose
-
 ?

Subunits

EC Number Subunits Comment Organism
3.2.1.48 More
-
 Gallus gallus

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.48 37
-
 assay at Gallus gallus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.48 6.5
-
-
 Gallus gallus

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.48 4.1 8.8 activity almost neglegible at pH 4.1 and pH 8.8 Gallus gallus