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  Domain Name: GH31_xylosidase_XylS
XylS is a glycosyl hydrolase family 31 (GH31) alpha-xylosidase found in prokaryotes, eukaryotes, and archaea, that catalyzes the release of alpha-xylose from the non-reducing terminal side of the alpha-xyloside substrate. XylS has been characterized in Sulfolobus solfataricus where it hydrolyzes isoprimeverose, the p-nitrophenyl-beta derivative of isoprimeverose, and xyloglucan oligosaccharides, and has transxylosidic activity. All GH31 enzymes cleave a terminal carbohydrate moiety from a substrate that varies considerably in size, depending on the enzyme, and may be either a starch or a glycoprotein. The XylS family corresponds to subgroup 3 in the Ernst et al classification of GH31 enzymes.
No pairwise interactions are available for this conserved domain.

Total Mutations Found: 15
Total Disease Mutations Found: 8
This domain occurred 7 times on human genes (10 proteins).



  ACID ALPHA-GLUCOSIDASE, ALLELE 4
  GLYCOGEN STORAGE DISEASE II, ADULT FORM
  GLYCOGEN STORAGE DISEASE II, INFANTILE FORM
  SUCRASE-ISOMALTASE DEFICIENCY, CONGENITAL


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Range on the Protein:  

   Protein ID            Protein Position

Domain Position:  


Feature Name:Total Found:
putative active site
putative catalytic site


















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Please Cite: Peterson, T.A., Adadey, A., Santana-Cruz ,I., Sun, Y., Winder A, Kann, M.G., (2010) DMDM: Domain Mapping of Disease Mutations. Bioinformatics 26 (19), 2458-2459.

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