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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

Reaction

maltotetraose
+ 3 H2O = 4 alpha-D-glucose

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 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.20 alpha-glucosidase

KM Value

KM Value on EC 3.2.1.20 - alpha-glucosidase

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
22.11
1-O-alpha-D-glucopyranosyl-beta-D-fructofuranoside
-
0.4
2-((2-(guanin-9-yl)ethyl)(2-((2-hydroxyethyl)((2-phosphonoethyl)amino)ethyl)amino)ethyl)phosphonic acid
-
10.04
3-O-alpha-D-glucopyranosyl-D-fructose
-
1.4
4-methylumbelliferyl alpha-D-glucopyranoside
-
0.076 - 0.133
4-Methylumbelliferyl-alpha-D-glucopyranoside
0.0086 - 2.1
4-methylumbelliferyl-alpha-glucoside
6.54 - 6.61
4-Nitrophenyl 2-deoxy-alpha-D-glucopyranoside
10.5 - 11.6
4-nitrophenyl 3-deoxy-alpha-D-glucopyranoside
0.53
4-nitrophenyl alpha-D-galactopyranoside
pH 7.0, 60°C
0.23 - 13
4-nitrophenyl alpha-D-glucopyranoside
2.06
4-nitrophenyl alpha-D-glucopyranosyl-1,4-alpha-D-glucopyranoside
-
pH 5.8, 34°C
0.037 - 4.2
4-nitrophenyl alpha-D-glucoside
1.1
4-nitrophenyl alpha-glucopyranoside
-
-
11.5
4-nitrophenyl beta-D-glucopyranoside
-
-
0.21 - 8.26
4-nitrophenyl-alpha-D-glucopyranoside
1.75
4-O-alpha-D-glucopyranosyl-D-fructose
-
8.58
4-O-alpha-D-glucopyranosyl-D-glucopyranose
-
7.31
4-O-alpha-D-glucopyranosyl-D-sorbitol
-
5.31
5-O-alpha-D-glucopyranosyl-D-fructose
-
2.52
6-O-alpha-D-glucopyranosyl-D-fructofuranoside
-
0.0013
amylopectin
-
pH 4.5, 37°C
0.28 - 11.8
amylose
30 - 64.9
glycogen
0.455 - 56
isomaltose
6.7
isomaltotriose
-
-
4.1
isomaltulose
-
-
0.34 - 67
kojibiose
7.2 - 9.2
L-ascorbic acid alpha-D-glucoside
4.3
malto-oligosaccharides
-
pH 7.0, 30°C
0.8 - 4.3
maltodextrin
0.38 - 76
maltoheptaose
0.35 - 63
maltohexaose
0.95 - 33
maltooctaose
0.14 - 63
maltopentaose
0.135 - 100
maltose
0.1 - 25
maltotetraose
0.15
maltotriitol
-
-
0.18 - 26.7
maltotriose
0.77 - 37
methyl-alpha-D-glucopyranoside
50
methyl-alpha-glucoside
-
alpha-glucosidase I
0.14 - 55
nigerose
3.6
p-aminophenyl alpha-D-glucoside
-
-
0.55 - 2.7
p-nitrophenyl alpha-D-glucopyranoside
0.21 - 1.58
p-nitrophenyl alpha-D-glucoside
0.31 - 1.04
p-nitrophenyl alpha-glucoside
0.23 - 11.11
p-nitrophenyl-alpha-D-glucopyranoside
0.21 - 8.6
p-nitrophenyl-alpha-D-glucoside
1.72 - 62
panose
2 - 3
phenyl alpha-D-glucoside
-
pH 5.5, 35°C
0.34 - 7.3
phenyl alpha-glucoside
0.41 - 14.3
Phenyl alpha-maltoside
3
phenyl-alpha-D-glucopyranoside
-
-
0.86
phenyl-alpha-D-glucoside
-
-
0.166
resorufin alpha-D-glucopyranoside
-
-
0.72 - 3640
soluble starch
-
0.93 - 15.4
starch
0.32 - 71.4
sucrose
0.89 - 17
trehalose
0.2 - 31
turanose
additional information
amylopectin