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Information on EC 3.2.1.155 - xyloglucan-specific exo-beta-1,4-glucanase

for references in articles please use BRENDA:EC3.2.1.155
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IUBMB Comments
The enzyme removes branched oligosaccharides, containing preferentially four glucoside residues in the main chain, from xyloglucan molecules in a processive manner after the initial endo-type attack on a polysaccharide [1-5]. Hydrolysis occurs at either the unsubstituted D-glucopyranose residue in the main backbone and/or the D-glucopyranose residue bearing a xylosyl group [1-5]. The enzyme does not display activity, or shows very low activity, towards other beta-D-glucans [1,2,4,5].
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The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Reaction Schemes
Hydrolysis of (1->4)-D-glucosidic linkages in xyloglucans so as to successively remove oligosaccharides from the chain end.
Synonyms
Cel74A, XEG74, XG, xyloglucanase, xyloglucanase Xgh74A, more
REACTION
REACTION DIAGRAM
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ORGANISM
UNIPROT
LITERATURE
Hydrolysis of (1->4)-D-glucosidic linkages in xyloglucans so as to successively remove oligosaccharides from the chain end.
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