Modification of xylanases to increase thermophilicity, thermostability and alkalophilicity

Modification of xylanases to increase thermophilicity, thermostability and alkalophilicity

  • CN 101,460,615 A
  • Filed: 04/10/2007
  • Published: 06/17/2009
  • Est. Priority Date: 04/12/2006
  • Status: Active Application
First Claim
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1. the zytase of a modification, described zytase comprises the cysteine residues that is positioned at position 99 and 118 to form intramolecular disulfide bond, described zytase is to produce by the amino acid that is positioned at position 99 and/or 118 with the halfcystine displacement, described position be by with the zytase of described modification with as the Trichodermareesei xylanase I I aminoacid sequence that defines among the SEQ ID NO:

  • 16 to carry out sequence alignment definite, the zytase of wherein said modification is thermophilic, have a liking for alkali, heat-staple or have above character combination, and wherein said zytase is the family 11 zytase.

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