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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

Temperature Range

Temperature Range on EC 3.2.1.20 - alpha-glucosidase

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TEMPERATURE RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
15 - 50
-
15°C: about 35% of maximal activity, 50°C: about 25% of maximal activity
20 - 45
-
about 45% of maximal activity at 20°C and at 45°C
20 - 50
20 - 60
-
20°C: about 25% of maximal activity, 60°C: about 20% of maximal activity
20 - 70
30 - 45
Saccharomyces logos
-
30°C: about 60% of maximal activity, 45°C: about 90% of maximal activity
30 - 50
Alkalihalophilus pseudofirmus
profile overview, 50% of maximal activity at 35-45°C, maximal activity at 30-40°C
30 - 60
35 - 55
35 - 60
35 - 70
35 - 75
-
30% of maximal activity at 35°C, 80% of maximal activity at 45-60°C, inactive above 75°C
40 - 55
recombinant His-tagged enzyme, over 80% of maximal activity in this range
40 - 60
40 - 70
-
40°C: about 50% of maximal maltase activity, about 60% of maximal alpha-glucosidase activity, 70°C: about 25% of maltase activity, about 70% of alpha-glucosidase activity
45 - 70
-
40°C: about 50% of maximal activity, 70°C: about 45% of maximal activity
48 - 80
-
48°C: about 50% of maximal activity, 80°C: about 95% of maximal activity
5 - 50
-
5°C: about 50% of maximal activity, 50°C: about 20% of maximal activity, maltase
5 - 80
-
5°C: about 50% of maximal activity, 80°C: about 40% of maximal activity, glucoamylase
50 - 55
-
the enzyme activity decreases significantly at temperatures below 55°C, and about 80% of the catalytic activity is lost at 50°C
50 - 80
-
activity range, profile, overview
60 - 80
-
60°C: about 35% of maximal activity, 80°C: about 70% of maximal activity
60 - 90
60°C: about 55% of maximal activity, 90°C: about 75% of maximal activity
65 - 100
50% of maximal activity at 65°C and 100°C
65 - 115
-
65°C: about 30% of maximal activity, 115°C: about 25% of maximal activity
75 - 110
75°C: about 50% of maximal activity, 110°C: about 75% of maximal activity
80
more than 70% of maximum activity
80 - 110
80°C: about 60% of maximal activity, 110°C: about 80% of maximal activity
90 - 108
-
activity at 90°C is about 45% of the activity at 108°C
95 - 115
-
95°C: about 50% of maximal activity, 105-115°C: optimum