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Literature summary for 3.2.1.26 extracted from

  • Chu, F.K.; Takase, K.; Guarino, D.; Maley, F.
    Diverse properties of external and internal forms of yeast invertase derived from the same gene (1985), Biochemistry, 24, 6125-6132.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein the extracellular enzyme contains 18 N-acetylglucosamine residues in addition to mannose. The intracellular enzyme does not contain mannose and N-acetylglucosamine Saccharomyces cerevisiae

Purification (Commentary)

Purification (Comment) Organism
-
Saccharomyces cerevisiae

Renatured (Commentary)

Renatured (Comment) Organism
inactivated extracellular invertase can be renatured completely after renaturation with guanidine. Endo-beta-N-acetylglucosaminidase H treated extracellular invertase is restored to 40% of its original activity while intracellular invertase remains completely inactive 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

Substrates and Products (Substrate)

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

Subunits

Subunits Comment Organism
More the native extracellular enzyme is oligomeric, the native intracellular enzyme is monomeric Saccharomyces cerevisiae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4
-
extracellular enzyme Saccharomyces cerevisiae
5.5
-
intracellular enzyme Saccharomyces cerevisiae