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3.2.1.B1: extracellular agarase

This is an abbreviated version!
For detailed information about extracellular agarase, go to the full flat file.

Word Map on EC 3.2.1.B1

Reaction

hydrolysis of 1,3-beta-D-galactosidic linkages in agarose, giving the octamer as the predominant product =

Synonyms

Aga21, AgaA, AgaA7, AgaB, AgaB1, AgaC, AgaG1, agaM1, agarase AG-b, agarase-a, agarase-b, beta-agarase, beta-agarase AgaB, endo-acting beta-agarase, endo-type beta-agarase, exo-beta-agarase, extracellular beta-agarase, NifU, YM01-3

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.B1 extracellular agarase

pH Range

pH Range on EC 3.2.1.B1 - extracellular agarase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
10 - 11
-
the enzyme shows residual activities of about 85.2 and 78.2% at pH 10 and 11.0
4 - 10
-
more than 70% activity between pH 4.0 and 10.0
4 - 8
-
within the range of pH 4.0 to 8.0, the enzyme shows over 60% activity
4 - 9
-
about 15% activity at pH 4.0, about 30% activity at pH 5.0, 100% activity at pH 6.0, about 60% activity at pH 7.0, about 45% activity at pH 8.0, about 40% activity at pH 9.0
5 - 7
-
more than 50% activity between pH 5.0 and 7.0
5 - 9
5.5 - 7.5
-
more than 90% activity between pH 5.5 and pH 7.6
5.7 - 10.6
more than 95% of maximum acitivity
6 - 10
6 - 9
the enzyme retains more than 42% of its activity at pH 8.0. The enzyme exhibits low activity at both acidic (pH 6.0) and basic (pH 9.0) conditions
7 - 11
8 - 10
-
above 90% activity is obtained at pH 8.0 and 9.0. Less than 60% of the maximum activity is detected at pH 10.0