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Literature summary for 3.2.1.48 extracted from

  • Vasseur, M.; Van Melle, G.; Frangne, R.; Alvarado, F.
    Alkali-metal-ion- and H+-dependent activation and/or inhibition of intestinal brush-border sucrase. A model involving three functionally distinct key prototropic groups (1988), Biochem. J., 251, 667-675.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
H+ competitive inhibitor in the interaction of sucrase with sucrose and sodium Oryctolagus cuniculus
Li+ high concentration, 300 mM Li+, pH dependent inhibition, complete at pH 8 Oryctolagus cuniculus
Na+ high concentration Oryctolagus cuniculus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
22
-
sucrose value remains constant at Li+ concentration from 20-120 mM Oryctolagus cuniculus

Metals/Ions

Metals/Ions Comment Organism Structure
Li+ low concentration: activation Oryctolagus cuniculus
Na+ low concentration: activation Oryctolagus cuniculus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
maltose + H2O Oryctolagus cuniculus
-
2 glucose
-
?
sucrose + H2O Oryctolagus cuniculus
-
D-glucose + D-fructose
-
?

Organism

Organism UniProt Comment Textmining
Oryctolagus cuniculus
-
rabbit
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
maltose + H2O
-
Oryctolagus cuniculus 2 glucose
-
?
sucrose + H2O
-
Oryctolagus cuniculus D-glucose + D-fructose
-
?