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3.2.1.28: alpha,alpha-trehalase

This is an abbreviated version!
For detailed information about alpha,alpha-trehalase, go to the full flat file.

Word Map on EC 3.2.1.28

Reaction

alpha,alpha-trehalose
+
H2O
=
beta-D-glucose
 +
alpha-D-glucose

Synonyms

acid (non regulatory) trehalase, acid non-regulatory trehalase, acid trehalase, alkaline trehalase, alpha,alpha glucoside 1-glucohydrolase, alpha,alpha trehalase, alpha,alpha trehalose glucohydrolase, alpha,alpha'-trehalose 1-D-glucohydrolase, Alpha,alpha-trehalase, Alpha,alpha-trehalose glucohydrolase, alpha-glucoside-1-glucohydrolase, ATC1, Atc1p, Ath1, ATHA, ATM1, GH37 trehalase, glucose alpha-1,1-glucose hydrolase, HaTre-1, HaTreh-1, Hl-Tre, membrane-bound SfTre2, MSMEG 4528, neutral regulatory trehalase, neutral trehalase, NT-INV, Ntc1p, NTH1, Nth1p, Nth2p, NTHA, Ntp1p, Px_EclTre, Saci_1816, SeTre-1, SeTre-2, SfTre1, soluble P I type trehalase, soluble P II type trehalase, soluble trehalase, THA, Tre-2, TRE1, Tre37A, TreA, treB, TreF, Treh, Treh1, Treh2, trehalase, trehalase-1, trehalase-invertase, TreZ

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.28 alpha,alpha-trehalase

pH Range

pH Range on EC 3.2.1.28 - alpha,alpha-trehalase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
2.6 - 7.9
-
pH 3.2: about 45% of maximal activity, pH 6.9: about 40% of maximal activity
3 - 4.5
-
activity range
3 - 5
pH 3.0: about 50% of maximal activity, pH 5.0: about 40% of maximal activity, recombinant enzyme
3 - 7
-
pH 3.0: about 70% of maximal activity, pH 7.0: about 85% of maximal activity
3.2 - 7
-
pH 3.2: about 50% of maximal activity, pH 7.0: about 60% of maximal activity
3.5 - 6
-
pH 3.5: about 75% of maximal activity, pH 6.0: about 80% of maximal activity
3.6 - 6.6
-
-
4 - 7
4 - 7.5
-
pH 4.0: about 35% of maximal activity, pH 7.5: about 30% of maximal activity
4 - 8.5
-
90% of maximal activity at pH 6.0, maximal activity at pH 7.0
4.5 - 7
4.5 - 7.5
recombinant enzyme
4.5 - 9
-
no activity at pH values less than 4.5 or more than 9.0
4.8 - 8.5
-
pH 4.9: about 50% of maximal activity, pH 8.5: about 40% of maximal activity
5 - 8
-
retains more than 60% of the original activity in a pH range of 5.0-8.0, wild type enzyme, mutant enzyme Y227H/R442G, mutant enzyme Y227H, mutant enzyme R442G