Endo-1,4-beta-xylanase B

UniProtKB accession:  O69231

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UniProtKB description:  Plays a role in plant xylan biodegradation, probably via the hydrolysis of short xylooligosaccharides resulting from extracellular xylan hydrolysis, once they have been transported inside cells. Shows similar activity on xylans of different rate of arabinose or methylglucuronic substitution. Also displays high activity on aryl-xylosides. Is active on xylotetraose and xylotriose, but does not hydrolyze xylobiose, indicating that XynB is a xylanase and not a beta-xylosidase.