3.2.1.20: alpha-glucosidase
This is an abbreviated version!
For detailed information about alpha-glucosidase, go to the full flat file.
Word Map on EC 3.2.1.20
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3.2.1.20
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lactase
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acarbose
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maltose
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lysosomal
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disaccharidase
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postprandial
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mellitus
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border
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brush
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pompe
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glycogen
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starch
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alpha-amylase
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mucosal
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aminopeptidase
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hyperglycemia
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antidiabetic
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jejunal
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amylase
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beta-glucosidase
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sulfonylurea
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meal
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trehalase
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ileum
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glucoamylase
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glycemic
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metformin
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villus
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glycosidases
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thiazolidinediones
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alpha-mannosidase
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hypoglycemic
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biguanides
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brush-border
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glycogenosis
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sulphonylureas
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alpha-galactosidase
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maltotriose
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non-insulin-dependent
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peptidase-4
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1-deoxynojirimycin
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n-acetyl-beta-glucosaminidase
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carbohydrases
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antihyperglycemic
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castanospermine
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infantile-onset
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alpha-fucosidase
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cellobiase
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medicine
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repaglinide
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flatulence
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synthesis
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agriculture
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biotechnology
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nutrition
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diagnostics
- 3.2.1.20
- lactase
- acarbose
- maltose
- lysosomal
- disaccharidase
-
postprandial
- mellitus
- border
-
brush
- pompe
- glycogen
- starch
- alpha-amylase
- mucosal
- aminopeptidase
- hyperglycemia
-
antidiabetic
- jejunal
- amylase
- beta-glucosidase
- sulfonylurea
- meal
- trehalase
- ileum
- glucoamylase
-
glycemic
- metformin
- villus
- glycosidases
- thiazolidinediones
- alpha-mannosidase
-
hypoglycemic
- biguanides
-
brush-border
- glycogenosis
-
sulphonylureas
- alpha-galactosidase
- maltotriose
-
non-insulin-dependent
-
peptidase-4
- 1-deoxynojirimycin
- n-acetyl-beta-glucosaminidase
-
carbohydrases
-
antihyperglycemic
- castanospermine
-
infantile-onset
- alpha-fucosidase
- cellobiase
- medicine
- repaglinide
-
flatulence
- synthesis
- agriculture
- biotechnology
- nutrition
- diagnostics
Reaction
Synonyms
6-phospho-alpha-glucosidase, AAGR-1, AAGR-2, AAGR-3, AAGR-4, acid alpha-glucosidase, acid alpha-glucoside hydrolase, acid GAA, acid maltase, acidic alpha-glucosidase, AG, AgdB, AGL, AglA, aGlu, alglucosidase alfa, alpha-1,4-glucosidase, alpha-D-glucosidase, alpha-D-glucoside glucohydrolase, alpha-GD, alpha-glucopyranosidase, alpha-glucosid-specific GH4 enzyme, alpha-glucosidase, alpha-glucosidase B, alpha-glucosidase I, alpha-glucosidase II, alpha-glucosidase III, alpha-glucosidase MAL12, alpha-glucosidase MAL32, alpha-glucosidase type I, alpha-glucosidase type IV, alpha-glucoside glucohydrolase, alpha-glucoside hydrolase, alpha-transglucosidase, alphaGlu1, alphaGlu2, alphaGlu3, alphaGluFa, Amy112, CHEI, CWH41, exo-alpha-l, 4-glucosidase, exo-alpha-l,4-glucosidase, GAA, GH13 alpha-glucosidase, GluA, glucoamylase, glucoinvertase, glucosidoinvertase, glucosidosucrase, GlyFa1, GlyFa2, GSJ, HBG III, HBGase I, HBGase II, HBGase III, high pI alpha-glucosidase, intestinal alpha-glucosidase, intestinal maltase, JHGase I, MAL12, MAL2, MAL32, MalA, MalH, maltase, maltase glucoamylase, maltase-glucoamylase, maltodextrin glucosidase, MalZ, MGAM, More, myozyme, NAG, neutral alpha-glucosidase, PalH, Pars_2044, phospho-alpha-glucosidase, R-glucosidase, recombinant human GAA, rhGAA, Saci1160, st2525, Ta0298, TcaAG, TtGluA
ECTree
3.2.1.20 alpha-glucosidaseAdvanced search results
results (
results (Natural Substrates Products
Natural Substrates Products on EC 3.2.1.20 - alpha-glucosidase
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NATURAL SUBSTRATE 
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
4-nitrophenyl D-glucopyranoside + H2O
4-nitrophenol + alpha-glucopyranose
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-
-
-
?
nigerose + H2O
2 alpha-D-glucose
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alpha-1,3-linkage, exists as abnormal linkage in starch
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-
?
soluble starch + H2O
alpha-D-glucose
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the enzyme hydrolyzes alpha-1,4-glycosidic bonds, exo-acting enzyme
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-
?
starch + H2O
alpha-D-glucose
one of the two enzymes responsible for catalyzing the last glucose-releasing step in starch digestion
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-
?
1,4-alpha-D-glucooligosaccharide + H2O
alpha-D-glucose
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short glucose oligomers, substrate derived from starch by alpha-amylase activity, the enzyme is important in mucosal alpha-glucogenesis, MGAM primes and mucosal sucrase-isomaltase activity sustains and constrains prandial alpha-glucogenesis from starch oligomers, regulation mechanism, overview
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-
?
1,4-alpha-D-glucooligosaccharide + H2O
alpha-D-glucose
the four isozymes digest all linear starch oligosaccharides to glucose
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-
?
malto-oligosaccharides + H2O
alpha-D-glucose
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-
-
-
?
malto-oligosaccharides + H2O
alpha-D-glucose
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-
-
-
?
maltooligosaccharides + H2O
alpha-D-glucose
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-
-
-
?
maltose + H2O
alpha-D-glucose + D-glucose
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-
-
-
?
maltose + H2O
alpha-D-glucose + D-glucose
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-
-
-
?
maltose + H2O
alpha-D-glucose + D-glucose
probable physiological role of the enzyme in the utilization of exogenous glycoproteins and/or in the turnover of the organisms own glycoproteins, overview
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-
?
maltose + H2O
alpha-D-glucose + D-glucose
the enzyme is involved in maltose and starch metabolism
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-
?
RS toxin + H2O
?
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specific for the host-specific Rhizoctonia solani toxin, purified from Rhizoctonia solani-inoculated rice sheath, inactivation of the toxin and inhibition of the fungal mycelial growth
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-
?
RS toxin + H2O
?
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specific for the host-specific Rhizoctonia solani toxin, purified from Rhizoctonia solani-inoculated rice sheath, inactivation of the toxin and inhibition of the fungal mycelial growth
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-
?
additional information
?
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the enzyme has a function in endogenous metabolism of alpha-glucans provided extracellularly as carbon source
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-
?
additional information
?
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the formation of maltase and alpha-glucosidase is induced by trehalose, sucrose or lactose in the growth medium
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-
?
additional information
?
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optimal enzyme production reaches a maximum after 24 h growth
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?
additional information
?
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maltose is required for induction. The enzyme may play a role in the breakdown of internal storage polysaccharides containing alpha-1,4 and alpha-1,6 bonds
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?
additional information
?
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expression is subject to both maltose induction and carbon catabolite repression. Induction of enzyme expression also occurs when starch, amylose, or glycogen are present in the growth medium
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-
?
additional information
?
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the enzyme might be mainly responsible for the predominant formation of glucose in starch hydrolysis of the germinating beet endosperm
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?
additional information
?
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enzymic digestion profile determination for camel small intestine, overview
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-
?
additional information
?
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the enzyme has a role in the general carbohydrate metabolism, and in glycoprotein processing
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?
additional information
?
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the enzyme has a role in the general carbohydrate metabolism, and in glycoprotein processing
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?
additional information
?
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induced by maltose but repressed by alpha-D-glucose and fructose
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-
?
additional information
?
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alpha-glucosidases play important roles in the digestion of carbohydrates and biosynthesis of viral envelope glycoproteins
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-
?
additional information
?
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biotransformation of starch using the alpha-transglucosidase-producing Geobacillus stearothermophilus U2
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-
?
additional information
?
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biotransformation of starch using the alpha-transglucosidase-producing Geobacillus stearothermophilus U2
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-
?
additional information
?
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biotransformation of starch using the alpha-transglucosidase-producing Geobacillus stearothermophilus U2
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?
additional information
?
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biotransformation of starch using the alpha-transglucosidase-producing Geobacillus stearothermophilus U2
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-
?
additional information
?
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pompe disease, glycosidosis type II, is an autosomal recessive lysosomal storage disease that results from a deficiency of acid alpha-glucosidase. Patients with this disorder are unable to break down lysosomal glycogen, which consequently accumulates in the lysosome
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?
additional information
?
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glycogen storage disease is caused by lysosomal acid alpha-glucosidase deficiency
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?
additional information
?
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a severe form of enzyme deficiency causes the infantile Pompe disease
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?
additional information
?
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transcription reaches a maximum 48 h after the start of germination
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?
additional information
?
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transcription reaches a maximum 48 h after the start of germination
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?
additional information
?
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the organism does not possess alpha-amylase activity
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-
?
additional information
?
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the organism does not possess alpha-amylase activity
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?
additional information
?
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synthesis of riboflavin alpha-glucoside is catalyzed by the transglucosylation activity
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?
additional information
?
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the neutral alpha-glucosidase is involved in epididymal maturation, which is different in well-fed and undernourished mice, overview
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-
?
additional information
?
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the enzyme prefers partially degraded starch substrate from germinating millet seeds
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-
?
additional information
?
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the enzyme catalyzes the final step in the metabolism of carbohydrates, such as starch, to glucose for cell utilization, the oligosaccharide transport system shows high affinity for trehalose and maltose
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-
?
additional information
?
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alpha-glucosidase C may be involved in glycogen metabolism
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?
additional information
?
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alpha-glucosidases play important roles in the digestion of carbohydrates and biosynthesis of viral envelope glycoproteins
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?
additional information
?
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induced during growth on maltose and starch
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-
?
