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Xylosidases

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Definition: A group of enzymes that catalyze the hydrolysis of alpha- or beta-xylosidic linkages. EC 3.2.1.8 catalyzes the endo-hydrolysis of 1,4-beta-D-xylosidic linkages; EC 3.2.1.32 catalyzes the endo-hydrolysis of 1,3-beta-D-xylosidic linkages; EC 3.2.1.37 catalyzes the exo-hydrolysis of 1,4-beta-D-linkages from the non-reducing termini of xylans; and EC 3.2.1.72 catalyzes the exo-hydrolysis of 1,3-beta-D-linkages from the non-reducing termini of xylans. Other xylosidases have been identified that catalyze the hydrolysis of alpha-xylosidic bonds.     
Examples Endo-1,4-beta Xylanases; Xylan Endo-1,3-beta-Xylosidase 		Other names Xylobiases; Hydrolases, Xylan; Xylan Hydrolases
 
SubstanceCAS Registry & nameCategoriesSourceDrugs*
BXL1 protein, Arabidopsis  EC 3.2.1.-   *Xylosidases *Arabidopsis Proteins. Plant Physiol. 2009 Jul;150(3):1219-34
reducing-end xylose-releasing exo-oligoxylanase, Bacillus halodurans  EC 3.2.1.-   *Xylosidases. Acta Crystallogr Sect F Struct Biol Cryst Commun 2005 Mar 1;61(Pt 3):291-2
XYL1 protein, Arabidopsis  EC 3.2.1.-   *Xylosidases *Arabidopsis Proteins. Plant Physiol 2004 Jun;135(2):867-78
XYL4 protein, Arabidopsis  EC 3.2.1.-   *Xylosidases *Arabidopsis Proteins. Plant Physiol 2004 Jun;135(2):867-78
ARAf protein, Arabidopsis  EC 3.2.1.-   *Xylosidases *Arabidopsis Proteins. Plant Physiol 2004 Jun;135(2):867-78
Xyn4 protein, Arabidopsis  EC 3.2.1.8   *Xylosidases *Arabidopsis Proteins. Plant Cell Physiol 2002 Jul;43(7):759-67
Xyn2 protein, Arabidopsis  EC 3.2.1.8   *Xylosidases *Arabidopsis Proteins. Plant Cell Physiol 2002 Jul;43(7):759-67
Xyn5 protein, Arabidopsis  EC 3.2.1.8   *Xylosidases *Arabidopsis Proteins. Plant Cell Physiol 2002 Jul;43(7):759-67
Xyn1 protein, Arabidopsis  EC 3.2.1.8   *Xylosidases *Arabidopsis Proteins. Plant Cell Physiol 2002 Jul;43(7):759-67
xyl23 protein, Streptomyces chattanoogensis  EC 3.2.1.-   *Bacterial Proteins *Xylosidases. DNA Seq 2001;12(3):167-77
xylanase X22  EC 3.2.1.-   *Xylosidases. J Agric Food Chem 1999 Apr;47(4):1597-602
XARB protein, Thermoanaerobacter ethanolicus  EC 3.2.1.-   *Bacterial Proteins *Xylosidases. J Bacteriol 1992 Sep;174(18):5848-53
Asp n 14 allergen, Aspergillus niger  EC 3.2.1.37   *Antigens, Fungal *Xylosidases *Antigens, Plant. J Allergy Clin Immunol 1998 Aug;102(2):256-64
arabinoxylanase  EC 3.2.1.-   *Xylosidases. Plant Physiol 1997 Dec;115(4):1619-27
Xys1 protein, Streptomyces halstedii  EC 3.2.1.8   *Bacterial Proteins *Xylosidases. Appl Environ Microbiol 1997 Aug;63(8):2983-8
BgxA protein, Erwinia chrysanthemi  EC 3.2.1.37   *Bacterial Proteins *beta-Glucosidase *Xylosidases. Mol Gen Genet 1995 Feb 20;246(4):465-77
glucuronoxylan xylanohydrolase  EC 3.2.1.136   *Xylosidases. J Biol Chem 1991;266(10):6539
endo-beta-xylosidase  EC 3.2.1.-   *Xylosidases. Biochim Biophys Acta 1988;966(1):94
alpha-D-xylosidase  EC 3.2.1.-   *Xylosidases. J Biochem (Tokyo) 1985;98(3):825
exo-1,4-beta-D-xylosidase  EC 3.2.1.37   *Xylosidases. Eur J Biochem 1980;108(1):313

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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