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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
7.2 - 9.2
L-ascorbic acid alpha-D-glucoside
4.3
malto-oligosaccharides
-
pH 7.0, 30°C
0.77 - 37
methyl-alpha-D-glucopyranoside
50
methyl-alpha-glucoside
-
alpha-glucosidase I
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
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
-
additional information
amylopectin
0.076
4-Methylumbelliferyl-alpha-D-glucopyranoside
-
-
0.133
4-Methylumbelliferyl-alpha-D-glucopyranoside
-
0.0086
4-methylumbelliferyl-alpha-glucoside
-
and a second alpha-glucosidase with Km of 0.3 mM
0.141
4-methylumbelliferyl-alpha-glucoside
-
-
0.3
4-methylumbelliferyl-alpha-glucoside
-
and a second alpha-glucosidase with Km of 0.0086 mM
0.47
4-methylumbelliferyl-alpha-glucoside
-
-
2.1
4-methylumbelliferyl-alpha-glucoside
-
recombinant enzyme
6.54
4-Nitrophenyl 2-deoxy-alpha-D-glucopyranoside
pH 4.5, 37°C, wild-type enzyme
6.61
4-Nitrophenyl 2-deoxy-alpha-D-glucopyranoside
pH 4.5, 37°C, recombinant enzyme
10.5
4-nitrophenyl 3-deoxy-alpha-D-glucopyranoside
pH 4.5, 37°C, wild-type enzyme
11.6
4-nitrophenyl 3-deoxy-alpha-D-glucopyranoside
pH 4.5, 37°C, recombinant enzyme
0.23
4-nitrophenyl alpha-D-glucopyranoside
pH 7.0, 60°C
0.26
4-nitrophenyl alpha-D-glucopyranoside
-
pH 5.8, 34°C
0.27
4-nitrophenyl alpha-D-glucopyranoside
pH 6.6, 37°C
0.31
4-nitrophenyl alpha-D-glucopyranoside
-
pH 7.0, 30°C, recombinant wild-type enzyme
0.32
4-nitrophenyl alpha-D-glucopyranoside
pH 5.5, 60°C, mutant K285P
0.37
4-nitrophenyl alpha-D-glucopyranoside
-
pH 7.0, 21-22°C
0.4
4-nitrophenyl alpha-D-glucopyranoside
-
pH 7.2, 55°C
0.59
4-nitrophenyl alpha-D-glucopyranoside
pH 4.5, 37°C, recombinant enzyme
0.62
4-nitrophenyl alpha-D-glucopyranoside
pH 4.5, 37°C, wild-type enzyme
0.87
4-nitrophenyl alpha-D-glucopyranoside
pH 5.0, 95°C
1.08
4-nitrophenyl alpha-D-glucopyranoside
pH 5.5, 60°C, wild-type enzyme
1.3
4-nitrophenyl alpha-D-glucopyranoside
pH 5.5, 45°C
1.61
4-nitrophenyl alpha-D-glucopyranoside
pH 5.5, 60°C, mutant L152P
1.64
4-nitrophenyl alpha-D-glucopyranoside
pH 5.5, 60°C, mutant T430P
1.77
4-nitrophenyl alpha-D-glucopyranoside
pH 5.5, 80°C
2
4-nitrophenyl alpha-D-glucopyranoside
pH 4.5, 85°C, recombinant enzyme
2.99
4-nitrophenyl alpha-D-glucopyranoside
Alkalihalophilus pseudofirmus
pH 7.0, 40°C
3.18
4-nitrophenyl alpha-D-glucopyranoside
pH 4.0, 80°C
5
4-nitrophenyl alpha-D-glucopyranoside
pH 3.0, 50°C, wild-type enzyme
8.1
4-nitrophenyl alpha-D-glucopyranoside
-
pH 6.8, 30°C, recombinant enzyme
13
4-nitrophenyl alpha-D-glucopyranoside
-
pH 5.5, 35°C
0.037
4-nitrophenyl alpha-D-glucoside
-
-
1.8
4-nitrophenyl alpha-D-glucoside
-
at pH 6.5 and 65°C
4.2
4-nitrophenyl alpha-D-glucoside
recombinant enzyme, pH 5.5, 37°C
0.21
4-nitrophenyl-alpha-D-glucopyranoside
pH 5.0, 37°C, alpha-glucosidase I
1.225
4-nitrophenyl-alpha-D-glucopyranoside
-
pH 6.5, 25°C, isozyme alphaGlu2
7.025
4-nitrophenyl-alpha-D-glucopyranoside
-
pH 6.5, 25°C, isozyme alphaGlu1
8.26
4-nitrophenyl-alpha-D-glucopyranoside
-
pH 6.5, 25°C, isozyme alphaGlu3
0.28
amylose
-
pH 4.5, 37°C
0.714
amylose
-
alpha-glucosidase II-1
1
amylose
-
alpha-glucosidase I and II-2
1.72
amylose
-
alpha-glucosidase IIa
11.8
amylose
-
alpha-glucosidase IIb
30
glycogen
-
-
64.9
glycogen
pH 5.5, 85°C, recombinant enzyme
0.455
isomaltose
-
-
0.86
isomaltose
-
pH 5.0, 50°C
1.3
isomaltose
pH 5.5, 45°C
4.1
isomaltose
site-specific GK24 alpha-glucosidase mutant, Vmax: 162 micromol/min mg
4.25
isomaltose
pH 5.5, 80°C
5.2
isomaltose
wild-type, Vmax: 357 micromol/min mg
8.5
isomaltose
site-specific mutant of HB27 alpha-glucosidase, Vmax: 286 micromol/min mg
8.7
isomaltose
wild-type, Vmax: 250 micromol/min mg
9.76
isomaltose
-
pH 4.5, 37°C
13
isomaltose
-
alpha-glucosidase I
14
isomaltose
pH 4.5, 35°C
17.3
isomaltose
pH 4.0, 80°C
20
isomaltose
-
alpha-glucosidase II
22.3
isomaltose
recombinant enzyme, pH 5.5, 37°C
28.6
isomaltose
-
alpha-glucosidase I
29.6
isomaltose
-
at pH 6.5 and 65°C
56
isomaltose
-
pH 5.5, 35°C
0.34
kojibiose
-
pH 4.5, 37°C
0.58
kojibiose
-
alpha-glucosidase II
0.93
kojibiose
-
alpha-glucosidase I
1.24
kojibiose
pH 5.5, 80°C
1.44
kojibiose
-
pH 5.0, 50°C
1.9
kojibiose
pH 5.5, 45°C
8.7
kojibiose
pH 5.0, 37°C, alpha-glucosidase I
19
kojibiose
pH 4.5, 35°C
67
kojibiose
-
pH 5.5, 35°C
7.2
L-ascorbic acid alpha-D-glucoside
-
alpha-glucosidase I
9.2
L-ascorbic acid alpha-D-glucoside
-
alpha-glucosidase II
0.8
maltodextrin
-
G17, alpha-glucosidase I
1.1
maltodextrin
-
G17, alpha-glucosidase II
4.3
maltodextrin
-
DP = 17
0.38
maltoheptaose
-
-
0.39
maltoheptaose
-
pH 4.5, 37°C
0.78
maltoheptaose
-
alpha-glucosidase I
0.86
maltoheptaose
-
pH 5.5, 42°C
1.1
maltoheptaose
-
alpha-glucosidase II
4.9
maltoheptaose
-
pH 5.0, 37°C
5.09
maltoheptaose
pH 4.0, 80°C
15.1
maltoheptaose
-
pH 6.8, 30°C, recombinant enzyme
76
maltoheptaose
pH 4.5, 35°C
0.35
maltohexaose
-
-
0.45
maltohexaose
-
pH 4.5, 37°C
0.52
maltohexaose
pH 5.0, 95°C
0.79
maltohexaose
-
alpha-glucosidase I
2.9
maltohexaose
-
pH 5.0, 37°C
4.4
maltohexaose
pH 4.0, 80°C
33
maltohexaose
-
pH 6.8, 30°C, recombinant enzyme
43
maltohexaose
pH 4.5, 35°C
63
maltohexaose
-
pH 5.5, 35°C
0.95
maltooctaose
-
alpha-glucosidase II
1
maltooctaose
-
alpha-glucosidase I
0.14
maltopentaose
-
-
0.32
maltopentaose
pH 5.0, 95°C
0.96
maltopentaose
pH 5.5, 45°C
1
maltopentaose
-
alpha-glucosidase I
1.5
maltopentaose
-
alpha-glucosidase II
2.33
maltopentaose
pH 4.0, 80°C
2.8
maltopentaose
-
pH 5.0, 37°C
4.7
maltopentaose
-
pH 6.8, 30°C, recombinant enzyme
5.5
maltopentaose
pH 5.0, 37°C, alpha-glucosidase I
14
maltopentaose
pH 4.5, 35°C
63
maltopentaose
-
pH 5.5, 35°C
0.135
maltose
-
-
0.16
maltose
-
pH 5.0, 50°C
0.185
maltose
-
alpha-glucoamylase II
0.3
maltose
-
alpha-glucosidase 1
0.347
maltose
-
glucoamylase I
0.4
maltose
-
isozyme 1, pH 4.5, 37°C
0.485
maltose
-
alpha-glucosidase II-1
0.51
maltose
pH 5.5, 45°C
0.55
maltose
Thermochaetoides thermophila
-
pH 7.0, 60°C
0.584
maltose
-
alpha-glucosidase II-2
0.64
maltose
pH 3.0, 50°C, wild-type enzyme
0.65
maltose
pH 5.5, 80°C
0.73
maltose
-
alpha-glucosidase I
1.04
maltose
-
intracellular enzyme
1.04
maltose
pH 4.5, 37°C, recombinant enzyme
1.1
maltose
-
alpha-glucosidase I
1.15
maltose
-
hydrolysis, alpha-glucosidase I
1.25
maltose
pH 4.5, 37°C, wild-type enzyme
1.3
maltose
-
alpha-glucosidase 2
1.46
maltose
-
pH 4.5, 37°C
1.5
maltose
pH 5.0, 37°C, alpha-glucosidase I
1.59
maltose
-
catalytic subunit ctMGAMN2, pH and temperature not specified in the publication
1.7
maltose
pH 4.5, 37°C, recombinant enzyme
1.72
maltose
-
free enzyme, pH not specified in the publication, temperature not specified in the publication
1.848
maltose
-
alpha-glucosidase I and III
1.85
maltose
-
extracellular enzyme
1.85
maltose
-
pH 4.0, 50°C
1.9
maltose
-
transglucosylation, alpha-glucosidase II
1.91
maltose
-
catalytic subunit ctMGAMN20, pH and temperature not specified in the publication
2
maltose
-
alpha-glucosidase II
2
maltose
-
isozyme 2, pH 5.5, 37°C
2.12
maltose
-
immobilized enzyme entrapped in agar, pH not specified in the publication, temperature not specified in the publication
2.13
maltose
-
hydrolysis, alpha-glucosidase II
2.22
maltose
-
extracellular enzyme
2.4
maltose
-
alpha-glucosidase I and alpha-glucosidase II
2.523
maltose
-
alpha-glucosidase II
2.71
maltose
-
pH 5.5, 42°C
2.98
maltose
-
transglucosylation, alpha-glucosidase I
3.33
maltose
-
alpha-glucosidase IIb
3.5
maltose
-
pH 5.0, 37°C
4.3
maltose
-
catalytic subunit ntMGAM, pH and temperature not specified in the publication
5.7
maltose
-
pH 5.8, 34°C
10.9
maltose
pH 4.0, 80°C
11
maltose
-
pH 5.5, 35°C
13.3
maltose
-
pH 5.5, 37°C, isozyme MG4
14
maltose
-
pH 7.0, 30°C
14.3
maltose
-
alpha-glucosidase II
17
maltose
-
pH 7.0, 55°C
20
maltose
-
pH 5.5, 37°C, isozyme MG6
33
maltose
-
alpha-glucosidase 3
34.5
maltose
-
pH 6.8, 30°C, recombinant enzyme
43.5
maltose
-
at pH 6.5 and 65°C
50
maltose
wild-type, Vmax: 21 micromol/min mg
55
maltose
site-specific mutant of HB27 alpha-glucosidase, Vmax: 1.9 micromol/min mg
69
maltose
wild-type, Vmax: 11 micromol/min mg
71.4
maltose
-
alpha-glucosidase III
72
maltose
site-specific GK24 alpha-glucosidase mutant, Vmax: 3.4 micromol/min mg
100
maltose
-
alpha-glucosidase III
0.1
maltotetraose
-
-
0.3
maltotetraose
pH 5.0, 95°C
0.64
maltotetraose
pH 5.5, 45°C
0.67
maltotetraose
pH 5.5, 80°C
0.86
maltotetraose
-
pH 4.5, 37°C
1.3
maltotetraose
pH 5.0, 37°C, alpha-glucosidase I
2
maltotetraose
-
alpha-glucosidase I
2.1
maltotetraose
-
alpha-glucosidase II
2.4
maltotetraose
-
pH 5.0, 37°C
2.78
maltotetraose
pH 4.0, 80°C
3.7
maltotetraose
-
pH 6.8, 30°C, recombinant enzyme
7.1
maltotetraose
pH 4.5, 35°C
9.3
maltotetraose
pH 3.0, 50°C, wild-type enzyme
16
maltotetraose
-
pH 5.5, 35°C
25
maltotetraose
recombinant enzyme, pH 5.5, 37°C
0.18
maltotriose
-
-
0.26
maltotriose
pH 5.5, 45°C
0.3
maltotriose
pH 5.0, 95°C
0.37
maltotriose
-
alpha-glucosidase IIa
0.4
maltotriose
pH 5.0, 37°C, alpha-glucosidase I
0.463
maltotriose
-
alpha-glucosidase II-2
0.47
maltotriose
pH 5.5, 80°C
0.493
maltotriose
-
alpha-glucosidase I
0.55
maltotriose
-
pH 5.5, 42°C
0.597
maltotriose
-
alpha-glucosidase II-1
0.69
maltotriose
pH 3.0, 50°C, wild-type enzyme
1.13
maltotriose
-
pH 4.5, 37°C
1.5
maltotriose
-
alpha-glucosidase I
1.67
maltotriose
-
alpha-glucosidase IIa
2.2
maltotriose
-
alpha-glucosidase II
2.6
maltotriose
-
at pH 6.5 and 65°C
2.61
maltotriose
-
alpha-glucosidase IIb
2.7
maltotriose
-
pH 5.0, 37°C
3.11
maltotriose
pH 4.0, 80°C
6.2
maltotriose
-
alpha-glucosidase II
6.7
maltotriose
pH 4.5, 35°C
6.9
maltotriose
-
pH 6.8, 30°C, recombinant enzyme
10
maltotriose
-
pH 5.5, 35°C
14.3
maltotriose
-
alpha-glucosidase III
26.7
maltotriose
recombinant enzyme, pH 5.5, 37°C
0.77
methyl-alpha-D-glucopyranoside
-
-
37
methyl-alpha-D-glucopyranoside
-
-
0.14
nigerose
-
pH 5.0, 50°C
0.81
nigerose
pH 5.5, 45°C
1.46
nigerose
-
pH 4.5, 37°C
2.4
nigerose
-
alpha-glucosidase II
2.8
nigerose
-
alpha-glucosidase I
20
nigerose
-
alpha-glucosidase II
44
nigerose
-
pH 5.5, 35°C
0.55
p-nitrophenyl alpha-D-glucopyranoside
-
-
2.7
p-nitrophenyl alpha-D-glucopyranoside
-
-
0.21
p-nitrophenyl alpha-D-glucoside
-
1.4
p-nitrophenyl alpha-D-glucoside
-
-
1.58
p-nitrophenyl alpha-D-glucoside
-
-
0.31
p-nitrophenyl alpha-glucoside
-
-
1.04
p-nitrophenyl alpha-glucoside
-
-
0.23
p-nitrophenyl-alpha-D-glucopyranoside
-
-
0.26
p-nitrophenyl-alpha-D-glucopyranoside
-
-
0.446
p-nitrophenyl-alpha-D-glucopyranoside
-
0.51
p-nitrophenyl-alpha-D-glucopyranoside
-
-
1.08
p-nitrophenyl-alpha-D-glucopyranoside
-
1.24
p-nitrophenyl-alpha-D-glucopyranoside
-
salivary gland
1.49
p-nitrophenyl-alpha-D-glucopyranoside
-
intracellular enzyme
1.71
p-nitrophenyl-alpha-D-glucopyranoside
-
midgut
11.11
p-nitrophenyl-alpha-D-glucopyranoside
-
-
0.21
p-nitrophenyl-alpha-D-glucoside
-
-
0.21
p-nitrophenyl-alpha-D-glucoside
-
-
0.21
p-nitrophenyl-alpha-D-glucoside
-
alpha-glucosidase III
0.31
p-nitrophenyl-alpha-D-glucoside
-
-
0.41
p-nitrophenyl-alpha-D-glucoside
-
free enzyme
0.56
p-nitrophenyl-alpha-D-glucoside
-
enzyme immobilized on oxirane acrylic beads
0.71
p-nitrophenyl-alpha-D-glucoside
-
cocross-linked enzyme
0.77
p-nitrophenyl-alpha-D-glucoside
-
alpha-glucosidase II
3
p-nitrophenyl-alpha-D-glucoside
-
enzyme immobilized on epoxy carrier
3.2
p-nitrophenyl-alpha-D-glucoside
-
-
8.2
p-nitrophenyl-alpha-D-glucoside
-
enzyme immobilized on uncoated controlled glass beads
8.6
p-nitrophenyl-alpha-D-glucoside
-
enzyme immobilized on alkylamino glass beads
1.72
panose
-
-
2.2
panose
-
alpha-glucosidase I
0.34
phenyl alpha-glucoside
-
-
0.6
phenyl alpha-glucoside
-
-
0.8
phenyl alpha-glucoside
-
alpha-glucosidase II
2.9
phenyl alpha-glucoside
-
alpha-glucosidase I
3.6
phenyl alpha-glucoside
-
alpha-glucosidase III
3.9
phenyl alpha-glucoside
-
pH 4.5, 37°C
4
phenyl alpha-glucoside
-
alpha-glucosidase I
4.9
phenyl alpha-glucoside
pH 4.5, 35°C
7.3
phenyl alpha-glucoside
-
alpha-glucosidase II
0.41
Phenyl alpha-maltoside
-
-
0.87
Phenyl alpha-maltoside
-
-
1.1
Phenyl alpha-maltoside
-
-
1.6
Phenyl alpha-maltoside
-
alpha-glucosidase II
1.8
Phenyl alpha-maltoside
-
alpha-glucosidase I
2.8
Phenyl alpha-maltoside
-
alpha-glucosidase II
2.823
Phenyl alpha-maltoside
-
-
4.2
Phenyl alpha-maltoside
-
-
9.9
Phenyl alpha-maltoside
pH 4.5, 35°C
14.3
Phenyl alpha-maltoside
-
alpha-glucosidase III
0.72
soluble starch
-
pH 5.5, 42°C
-
22
soluble starch
recombinant enzyme, pH 5.5, 37°C
-
3640
soluble starch
-
pH 4.5, 37°C
-
0.93
starch
-
soluble, alpha-glucosidase I
2.8
starch
-
soluble substrate, pH 5.0, 50°C
0.32
sucrose
pH 3.0, 50°C, wild-type enzyme
8.9
sucrose
-
alpha-glucosidase II
10
sucrose
-
alpha-glucosidase III
13.1
sucrose
-
alpha-glucosidase I
15.3
sucrose
recombinant enzyme, pH 5.5, 37°C
16.6
sucrose
-
alpha-glucosidase II
30
sucrose
-
pH 5.5, 35°C
71.4
sucrose
-
alpha-glucosidase III
0.89
trehalose
pH 5.5, 45°C
4.9
trehalose
wild-type, Vmax: 333 micromol/min mg
6.9
trehalose
site-specific GK24 alpha-glucosidase mutant, Vmax: 20 micromol/min mg
17
trehalose
site-specific mutant of HB27 alpha-glucosidase, Vmax: 46 micromol/min mg
0.2
turanose
-
-
11.7
turanose
-
alpha-glucosidase II
30.3
turanose
-
alpha-glucosidase III
31
turanose
-
pH 5.5, 35°C
additional information
amylopectin
-
0.11 mg/ml
additional information
glycogen
-
0.04 mg/ml
additional information
maltose
-
0.57 mg/ml
additional information
additional information
-
-
-
additional information
additional information
-
-
-
additional information
additional information
-
-
-
additional information
additional information
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kinetics
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additional information
additional information
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kinetics
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additional information
additional information
kinetics
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additional information
additional information
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kinetics
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additional information
additional information
kinetics
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additional information
additional information
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determination of subsite affinities, kinetics
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additional information
additional information
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Michaelis-Menten kinetics
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additional information
additional information
Michaelis-Menten kinetics
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additional information
additional information
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thermal dependence of kinetics, overview
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additional information
additional information
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the KM value decreases with the increase in molecular weight of substrates
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additional information
additional information
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0.4 mM for short glucose oligomers
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additional information
additional information
Thermochaetoides thermophila
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4.35 mg/ml for starch
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additional information
additional information
alpha-glucosidase I shows negative cooperative behaviour with substrates sucrose, maltose, and 4-nitrophenyl-alpha-D-glucopyranoside, but positive cooperativity with substrate turanose
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additional information
additional information
kinetics of wild-type, mutant and null mutant mice
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additional information
additional information
kinetics of wild-type, mutant and null mutant mice
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additional information
additional information
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kinetics of wild-type, mutant and null mutant mice
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additional information
additional information
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the enzyme exhibits Michaelis-Menten kinetics
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additional information
additional information
Alkalihalophilus pseudofirmus
Lineweaver-Burk kinetics
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additional information
additional information
kinetics for transglucosylation of wild-type and mutant enzymes, overview
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additional information
additional information
kinetics of transglucosylation activity of immobilized alpha-glucosidase
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additional information
starch
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0.07 mg/ml