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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

Specific Activity

Specific Activity on EC 3.2.1.20 - alpha-glucosidase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.0000063
-
in salivary gland
0.000009
-
in midgut
0.0027
-
partially purified enzyme
0.0106
-
neutral alpha-glucosidase in epididymal cauda
0.0117
-
neutral alpha-glucosidase in epididymal corpus
0.012
-
partially purified enzyme from midgut extracts
0.0154
-
neutral alpha-glucosidase in kidney
0.0226
-
neutral alpha-glucosidase in complete epididymis
0.024
-
glucoamylase activity with substrate starch, small intestine
0.0307
-
neutral alpha-glucosidase in epididymal caput
0.043
-
maltase activity with substrate maltose, small intestine
0.14
purified wild-type enzyme, substrate 4-nitrophenyl 3-deoxy-alpha-D-glucopyranoside, recombinant enzyme
0.36
p-nitrophenyl-alpha-D-glucopyranoside
0.96
purified recombinant enzyme, substrate 4-nitrophenyl alpha-D-glucopyranoside, recombinant enzyme
1
-
purified enzyme, substrate isomaltose
1.06
purified wild-type enzyme, substrate 4-nitrophenyl alpha-D-glucopyranoside, recombinant enzyme
1.6
purified recombinant His-tagged enzyme, pH 5.5, 37°C, substrate 4-nitrophenyl alpha-D-glucoside
1.7
-
purified recombinant mutant A200V, substrate maltose
101
-
purified isozyme 2, substrate maltose
11.3
-
purified enzyme
12.4
-
purified enzyme
120
enzyme mutant N694L, transglucosylation activity, pH 4.0, 37°C
132
-
purified recombinant wild-type enzyme, substrate 4-nitrophenyl alpha-D-glucoside
152
enzyme mutant N694A, transglucosylation activity, pH 4.0, 37°C
155
enzyme mutant N694W, transglucosylation activity, pH 4.0, 37°C
161
-
cell-wall-associated enzyme
17
-
purified isozyme 2, substrate 4-nitrophenyl alpha-D-glucopyranoside
175
-
extracellular enzyme
1760
-
purified enzyme, substrate maltose
18.8
-
purified recombinant enzyme, substrate 4-nitrophenyl alpha-D-glucopyranoside
2 - 2.5
purified enzyme
2.36
-
purified enzyme
21.3
Saccharomyces logos
-
alpha-glucosidase I
23.5
-
-
23.6
-
alpha-glucosidase II
24.8
-
-
25.6
purified recombinant enzyme
26.1
-
purified enzyme, substrate nigerose
287
-
purified enzyme, substrate 4-nitrophenyl alpha-D-glucopyranoside
29.8
-
purified enzyme, substrate maltose
3.4
-
purified enzyme, substrate 4-nitrophenyl alpha-D-glucopyranoside
3.7
purified recombinant enzyme, substrate 4-nitrophenyl 2-deoxy-alpha-D-glucopyranoside, recombinant enzyme
30
-
purified isozyme 1, substrate maltose
30.2
-
purified enzyme, substrate glycogen
3280
-
purified recombinant mutant N258P, substrate maltose
33.33
Thermochaetoides thermophila
-
purified enzyme
34.3
-
purified enzyme, substrate amylopectin
35.5
-
maltase
35.6
-
purified recombinant enzyme, substrate maltose
38.4
-
purified enzyme
4.25
purified wild-type enzyme, substrate 4-nitrophenyl 2-deoxy-alpha-D-glucopyranoside, recombinant enzyme
4.72
4-methylumbelliferyl alpha-D-glucopyranoside as a substrate
404
-
purified enzyme, pH 4.5, 70°C
42.7
Saccharomyces logos
-
alpha-glucosidase II
42.9
-
purified enzyme, substrate soluble starch
46.8
purified recombinant enzyme, substrate maltose, recombinant enzyme
47.13
-
-
5.3
-
purified enzyme, substrate maltitol
54.3
-
-
57.8
purified wild-type enzyme, substrate maltose, recombinant enzyme
6.66
-
purified recombinant enzyme, substrate maltohexaose
6.95
-
purified recombinant enzyme, substrate maltotriose
60.6
-
alpha-glucosidase I
64.7
purified alpha-glucosidase II
6890
-
purified recombinant wild-type enzyme, substrate maltose
7
-
purified enzyme, substrate kojibiose
7.9
-
purified isozyme 1, substrate 4-nitrophenyl alpha-D-glucopyranoside
70
-
purified recombinant wild-type enzyme, substrate maltose
700
-
purified enzyme
76
-
purified native enzyme
8.3
-
purified enzyme, substrate amylose
9.1
-
glucoamylase
9.6
purified enzyme
951
-
purified enzyme, substrate isomaltose
999.5
-
purified enzyme, substrate 4-nitrophenyl alpha-D-glucopyranoside
additional information