| CPC C12N 9/2445 (2013.01) [C12N 15/70 (2013.01); C12P 15/00 (2013.01); C12P 33/20 (2013.01); C12Y 302/01021 (2013.01)] | 1 Claim |

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1. A Sulfolobus solfataricus β-glycosidase (SS-BGL) mutant for modifying ginsenoside, wherein the amino acid sequence of the SS-BGL mutant is as shown in SEQ ID NO: 18, SEQ ID NO: 19, or SEQ ID NO: 20.
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