MUTANT XYLANASE, MANUFACTURING METHOD AND USE THEREFOR, AND METHOD FOR MANUFACTURING SACCHARIFIED LIGNOCELLULOSE

EPO Patent Application EP 3342/867 A1
Application Date: Jul. 4th, 2018

ABSTRACT

What is aimed at is provision of an inexpensive and efficient saccharification method for lignocellulose using a thermostable mutant xylanase and provision of a thermostable mutant xylanase that has substitute...
Assignee(s):
Inventor(s):
YANAI, Hisaaki
TAMAI, Hiroki
OSABE, Masami
YOKOYAMA, Fumikazu
OKAKURA, Kaoru
INOUE, Atsushi
Application Number:
18153318.3
International Classification:
C12N 15/56 (20060101); A21D 8/04 (20060101); A23K 20/189 (20160101); C11D 3/386 (20060101); C12N 1/15 (20060101); C12N 1/19 (20060101); C12N 1/21 (20060101); C12N 9/24 (20060101); C12P 19/14 (20060101); C12P 19/02 (20060101); C13K 1/02 (20060101); C13K 13/00 (20060101)
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CLAIMS

What is claimed is:

A mutant xylanase comprising the amino acid sequence of SEQ ID NO: 2 with an amino acid residue substitution at position 154 in which the leucine residue is substituted by methionine and the following additional amino acid residue substitutions (1), (2) or (3): (1) the isoleucine residue at position 30 is...

DESCRIPTION

Technical Field

The present invention relates to a method of efficiently producing a saccharified product from a lignocellulosic raw material. The invention also relates to a mutant xylanase, a method of producing the mutant xylanase, and uses of the mutant xylanase.
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