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3.2.1.131: xylan alpha-1,2-glucuronosidase

This is an abbreviated version!
For detailed information about xylan alpha-1,2-glucuronosidase, go to the full flat file.

Word Map on EC 3.2.1.131

Reaction

(4O-Me)GlcAalpha(1-2)[(Xylbeta(1-3))n](Xylbeta(1-3)m)
+
H2O
=
Xylbeta(1-3)m+n
+
4-O-methyl-alpha-D-glucuronic acid

Synonyms

Agu1, Agu115, Agu115A, Agu67A, AguA, alpha-(1->2)-glucuronidase, alpha-glucuronidase, AugA, AxyAgu115A, BtGH115A, DEG75-AG, GH115, GH115 4-O-methyl-alpha-glucuronidase, GH115 alpha-glucuronidase, GH67, GlcA115A, glucuronidase, 1,2-alpha-, ScAGU115, Sde_1755, Theth_0154, xylanolytic alpha-glucuronidase

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.131 xylan alpha-1,2-glucuronosidase

KM Value

KM Value on EC 3.2.1.131 - xylan alpha-1,2-glucuronosidase

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
19.5
4-O-Me-GlcA-alpha-(1->2)-Xyl-beta(1->4)-Xyl
-
in 50 mM sodium phosphate, 12 mM citrate buffer, pH 6.5, at 37°C
3
4-O-methyl-beta-D-glucopyranuetaronosyl-(1->2)-b-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose
pH 6.5, 80°C
0.53
aldobiouronic acid
-
37°C, pH 6.5
0.42
aldopentaouronic acid
-
37°C, pH 6.5
0.2 - 0.36
aldotetraouronic acid
0.28
aldotriouronic acid
-
37°C, pH 6.5
3.02
aldouronic acids
at pH 6.0 and 80°C
0.4
beechwood xylan
-
in 50 mM sodium phosphate, 12 mM citrate buffer, pH 6.5, at 37°C
-
0.3
birchwood xylan
-
in 50 mM sodium phosphate, 12 mM citrate buffer, pH 6.5, at 37°C
-
4.5
Xyl-beta-(1->4)-[4-O-Me-GlcA-alpha-(1->2)]-Xyl-beta(1->4)-Xyl
-
in 50 mM sodium phosphate, 12 mM citrate buffer, pH 6.5, at 37°C
additional information
4-O-methyl-alpha-D-glucopyranosyl uronic acid-(1->2)-[beta-D-xylopyranosyl-(1->4)]-beta-D-xylopyranosyl-(1->4)-D-xylose