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4.2.2.13: exo-(1->4)-alpha-D-glucan lyase

This is an abbreviated version!
For detailed information about exo-(1->4)-alpha-D-glucan lyase, go to the full flat file.

Word Map on EC 4.2.2.13

Reaction

[(1->4)-alpha-D-glucosyl]n+1
=
1,5-Anhydro-D-fructose
 +
[(1->4)-alpha-D-glucosyl]n

Synonyms

(1,4)-alpha-D-glucan exo-4-lyase (1,5-anhydro-D-fructose-forming), Ag111, alpha-(1,4)-Glucan 1,5-anhydro-D-fructose eliminase, alpha-1,4-Glucan exo-lyase, alpha-1,4-Glucan lyase, alpha-1,4-glucan lyase isozyme 1, Dehydratase, alpha-1,4-glucan, exo-(1,4)-alpha-D-glucan lyase, Exo-alpha-1,4-glucan lyase, GLase

ECTree

     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.2 Acting on polysaccharides
                4.2.2.13 exo-(1->4)-alpha-D-glucan lyase

Temperature Range

Temperature Range on EC 4.2.2.13 - exo-(1->4)-alpha-D-glucan lyase

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TEMPERATURE RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
25 - 55
-
25°C: about 60% of maximal activity, 55°C: about 55% of maximal activity, glycogen as substrate
25 - 60
-
25°C: about 40% of maximal activity, 60°C: about 40% of maximal activity, glycogen as substrate
33 - 65
-
about 50% of maximal activity at 33°C and 65°C
35 - 50
-
35°C: about 70% of maximal activity, 50°C: about 70% of maximal activity, activity without addition of any salt
35 - 55
-
35°C: about 50% of maximal activity, 55°C: about 80% of maximal activity, optimal activity in presence of 1 mM calcium chloride