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3.2.1.136: glucuronoarabinoxylan endo-1,4-beta-xylanase

This is an abbreviated version!
For detailed information about glucuronoarabinoxylan endo-1,4-beta-xylanase, go to the full flat file.

Word Map on EC 3.2.1.136

Reaction

alpha-D-glucopyranuronosyl-(1-2)-[alpha-D-glucopyranuronosyl-(1-2)-[beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)]-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)]-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranose
+
H2O
=
4-O-beta-D-xylopyranosyl-beta-D-xylopyranose
+
alpha-D-glucopyranuronosyl-(1-2)-[alpha-D-glucopyranuronosyl-(1-2)-[beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)]-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta--D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)]-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranose

Synonyms

1,4-beta-D-xylan xylanohydrolase, Agu115A, beta-1,4-endoxylanase, bifunctional cellulase/xylanase, endo-beta-xylanase, endoarabinoxylanase, endoglucanase, endoxylanase, feraxan endoxylanase, feraxanase, GH11 endoxylanase, GH115 alpha-glucuronidase, GH30 endoxylanase C, GH30 xylanase, glucuronoxylan xylanohydrolase, glucuronoxylan xylohydrolase, glucuronoxylan-specific xylanase A, glucuronoxylan-specific Xyn30D, glucuronoxylanase, glucuronoxylanase GH30, GuXN 30, M2, M4, TLX, Tx-Xyl, xylanase 30 A, xylanase C, xylanase, glucuronoarabinoxylan endo-1,4-beta-, Xyn30A, Xyn30D, XynA, XynC, XynGH30

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.136 glucuronoarabinoxylan endo-1,4-beta-xylanase

Purification

Purification on EC 3.2.1.136 - glucuronoarabinoxylan endo-1,4-beta-xylanase

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PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
centrifuged supernatant concentrated with membrane filter, applied to Bio-Gel P100 gel filtration column, cellulolytic fractions pooled, lyophilized, dissolved, loaded onto hydroxylapatite column, last steps repeated, 4 degrees Celsius, purity monitored by SDS-PAGE and isoelectric focusing
His Trap column chromatography and Superose 6 gel filtration
-
MEP HyperCel column chromatography, SP Sepharose column chromatography, and XK 26/20 column chromatography
recombinant His-tagged full-length enzyme and isolated catalytic domain from Escherichia coli strain BL21Star (DE3) by immobilized metal affinity chromatography
recombinant His-tagged XynC from Escherichia coli strain BL21(DE3) by nickel affinity chromatography
shaking of wheat kernels with acetate buffer (25 mM, pH 5.0, 0.02% sodium azide) for 17 h, liquid phase dialyzed against 10 mM sodium acetate buffer, pH 5.0 at 7 degrees Celsius for 24 h, dialysate concentrated by freeze-drying and resuspension in water
-
to near homogeneity
-