Literature summary for 3.2.1.20 extracted from

Frandsen, T.P.; Lok, F.; Mirgorodskaya, E.; Roepstorff, P.; Svensson, B.
Purification, enzymatic characterization, and nucleotide sequence of a high-isoelectric-point alpha-glucosidase from barley malt (2000), Plant Physiol., 123, 275-286.

Search for more literature for 3.2.1.20

Inhibitors

Inhibitors	Comment	Organism	Structure
acarbose	-	Hordeum vulgare

KM Value [mM]

KM Value [mM]	KM Value Maximum [mM]	Substrate	Comment	Organism	Structure
2.2	-	maltose	-	Hordeum vulgare

Natural Substrates/ Products (Substrates)

Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
additional information	Hordeum vulgare	transcription reaches a maximum 48 h after the start of germination	?	-	?

Organism

Organism	UniProt	Comment	Textmining
Hordeum vulgare	Q43763	-	-

Purification (Commentary)

Purification (Comment)	Organism
-	Hordeum vulgare

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg]	Specific Activity Maximum [µmol/min/mg]	Comment	Organism
additional information	-	-	Hordeum vulgare

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
additional information	transcription reaches a maximum 48 h after the start of germination	Hordeum vulgare	?	-	?

Turnover Number [1/s]

Turnover Number Minimum [1/s]	Turnover Number Maximum [1/s]	Substrate	Comment	Organism	Structure
25	-	maltose	-	Hordeum vulgare

pH Optimum

pH Optimum Minimum	pH Optimum Maximum	Comment	Organism
4	4.5	hydrolysis of maltose	Hordeum vulgare
4.5	-	-	Hordeum vulgare

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Release 2023.1 (January 2023)