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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

General Information

General Information on EC 3.2.1.136 - glucuronoarabinoxylan endo-1,4-beta-xylanase

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GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
evolution
glucuronoxylanase Xyn30D is a modular enzyme containing a family 30 glycoside hydrolase catalytic domain and an attached carbohydrate binding module of the CBM35 family. GH30 family enzymes structure comparisons, overview
metabolism
the enzyme plays a role in depolymerization of highly substituted chemically complex xylans, it belongs to the secretome of Paenibacillus barcinonensis, a powerful xylan degrading microorganism that shows a complex set of carbohydratases, including several GH10 and GH11 xylanases
additional information
the catalytic domain folds into an (alpha/beta)8 barrel with an associated beta-structure, whereas the attached CBM35 domain displays a jellyroll beta-sandwich including two calcium ions, molecular surface of Xyn30D-CBM35, atomic interactions between Xyn30D-CBM35, the calcium ion and the GlcA ligand, overview. An extended 12-residue segment links the CBM35 to the catalytic GH30 domain. Although both domains fold in an independent manner, the linker region makes polar interactions with the catalytic domain, allowing a moderate flexibility