Literature summary for 3.2.1.20 extracted from

Rudick, M.J.; Fitzgerald, Z.E.; Rudick, V.L.
Intra- and extracellular forms of alpha-glucosidase from Aspergillus niger (1979), Arch. Biochem. Biophys., 193, 509-520.

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KM Value [mM]

KM Value [mM]	KM Value Maximum [mM]	Substrate	Comment	Organism	Structure
1.04	-	maltose	intracellular enzyme	Aspergillus niger
1.49	-	p-nitrophenyl-alpha-D-glucopyranoside	intracellular enzyme	Aspergillus niger
1.85	-	maltose	extracellular enzyme	Aspergillus niger
2.22	-	maltose	extracellular enzyme	Aspergillus niger

Localization

Localization	Comment	Organism	GeneOntology No.	Textmining
extracellular	-	Aspergillus niger	-	-
intracellular	-	Aspergillus niger	5622	-

Organism

Organism	UniProt	Comment	Textmining
Aspergillus niger	-	-	-

Posttranslational Modification

Posttranslational Modification	Comment	Organism
glycoprotein	the intracellular enzyme contains 29 mol of mannose and 6 mol of glucosamine per mol of enzyme	Aspergillus niger

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg]	Specific Activity Maximum [µmol/min/mg]	Comment	Organism
1.405	-	-	Aspergillus niger

pH Optimum

pH Optimum Minimum	pH Optimum Maximum	Comment	Organism
5	-	-	Aspergillus niger

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Release 2023.1 (January 2023)