Patent ID: 7256031

Claim:
An enzyme having β-glucosidase activity, which is isolated from Acremonium cellulolyticus and has the following characteristics: (a) substrate specificity, action characteristics: acts on cello-oligosaccharides and on glycosides with aglycone linked thereto via β-D-glucopyranosyl linkage to produce glucose; (b) molecular weight: 108,000 by SDS-polyacrylamide gel electrophoresis; (c) isoelectric point: pI 4.7 by polyacrylamide gel isoelectric focusing; (d) optimum pH: between pH 3.5 and 4.0; (e) optimum temperature for action: 70° C.; and (f) comprises amino acids 1 to 838 of the amino acid sequence of SEQ ID NO: 2 of the Sequence Listing.