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3.2.1.60: glucan 1,4-alpha-maltotetraohydrolase

This is an abbreviated version!
For detailed information about glucan 1,4-alpha-maltotetraohydrolase, go to the full flat file.

Word Map on EC 3.2.1.60

Reaction

(Glcalpha(1-4))n
+
H2O
=
(Glcalpha(1-4))n-4
 +
(Glcalpha(1-4))4

Synonyms

exo-malto tetraohydrolase, exo-maltotetraohydrolase, exomaltotetraohydrolase, G4-1, G4-2, G4-amylase, G4-exo-alpha-amylase, maltotetraohydrolase, exo-, maltotetraose-forming alpha-amylase, Maltotetraose-forming amylase, Maltotetraose-forming exo-amylase, maltotetraose-producing amylase, maltotetraose-producing enzyme, maltotriose-forming exo-amylase

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.60 glucan 1,4-alpha-maltotetraohydrolase

pH Range

pH Range on EC 3.2.1.60 - glucan 1,4-alpha-maltotetraohydrolase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
4 - 9
-
recombinant and native enzyme, pH 4.0, 30%, pH 9.0, 50% of maximal activity
4.5 - 10.5
-
95% of maximum activity at pH 7 and pH 9.5, pH 4.5, 40% of maximal activity, pH 10.5, 82% of maximal activity
6 - 13
-
pH 6.0, 30%, pH 13.0, 55% of maximal activity