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...
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.