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Substrate-binding domains of glycanases from Streptomyces lividans: characterization of a new family of xylan-binding domains.

Authors
  • C Dupont
  • M Roberge
  • F Shareck
  • R Morosoli
  • D Kluepfel
Publication Date
Feb 15, 1998
Source
PMC
Keywords
License
Unknown

Abstract

The substrate-binding domains of six glycanases from Streptomyces lividans were investigated to determine their specificity towards cellulose and xylan. Based upon amino acid sequence similarities, four of the six domains could be assigned to existing cellulose-binding domain families. However, the binding domains of xylanase A and arabinofuranosidase B could not be classified in any of the known families and should therefore be classified as members of a new family. Evidence is also presented that this new family is one of true xylan-binding domains.

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