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5.4.99.16: maltose alpha-D-glucosyltransferase

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

Word Map on EC 5.4.99.16

Reaction

maltose
=
alpha,alpha-trehalose

Synonyms

57-KDa trehalose synthase (Saccharomyces cerevisiae), Dgeo_0537, DKY63_02445, DOT40_01605, DrTreS, DrTS, DR_2036, FM102_08285, HMPREF9086_3732, Maltose alpha-D-glucosylmutase, Maltose alpha-D-glucosyltransferase, Maltose glucosylmutase, MTase, MtTS, Protein (Saccharomyces cerevisiae clone pMB14 gene CIF reduced), Protein (Saccharomyces cerevisiae gene CIF1 reduced), PTO0069, PTTS, Synthase, trehalose, Synthase, trehalose (Pimelobacter strain R48 clone pBRM8 gene treS precursor reduced), Synthase, trehalose (Saccharomyces cerevisiae gene TPS1 subunit), Synthase, trehalose (Saccharomyces cerevisiae gene TSL1 subunit), Synthase, trehalose (Thermus aquaticus strain ATCC33923 clone pBTM5), TaTS, Tfu_0584, Trehalose synthase, Trehalose synthase (Pimelobacter strain R48 clone pBRM8 gene treS precursor reduced), Trehalose synthetase, TreS, treSB, TSase, Tter_0330, TtTreS, TtTS

ECTree

     5 Isomerases
         5.4 Intramolecular transferases
             5.4.99 Transferring other groups
                5.4.99.16 maltose alpha-D-glucosyltransferase

pH Range

pH Range on EC 5.4.99.16 - maltose alpha-D-glucosyltransferase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
3 - 11
-
activity range, profile overview
4 - 8
activity range. Approximately 25% activity of the displayed TreS remains when at pH 4.0 and pH 8.0, maximal activity at pH 6.0, over 80% of maximal activity at pH 4.5-7.5, profile overview
4.5 - 9.5
activity range, profile, overview
5 - 10
-
over 50% of maximal activity within this range
5 - 7
-
pH 5: about 25% of maximal activity, pH 7: about 55% of maximal activity
5 - 7.5
5 - 8
5 - 9.5
over 70% of maximal activity at pH 5.5-9.0, 50% of maximal activity at pH 5.0 and pH 9.5
5.8 - 7.8
pH 5.8: about 50% of maximal activity, pH 7.8: about 50% of maximal activity
6.5 - 9
-
more than 80% of activity is maintained from pH 6.5 and 7.5, the activities of the enzyme markedly decrease in 50 mM Tris-HCl buffer from pH 7.0-9.0
6.8 - 8.8
more than 80% of maximum activity