Patent ID: 9650619
Date: 2017-05-16
CPC Classifications: C12N,C12P,C12Y,Y02P

Claim:
1. A modified α-glucosidase which (a) consists of an amino acid sequence which is identical to SEQ ID NO: 2 except for a substitution at a position corresponding to position 495 of SEQ ID NO: 2, or (b) comprises an amino acid sequence which has 95% or more identity with SEQ ID NO: 2 and comprises a substitution at a position corresponding to position 495 of SEQ ID NO: 2, wherein the amino acid at position 495 is substituted by a alanine, glycine, proline, threonine or valine, and wherein the modified α-glucosidase has increased transglycosylation activity to form α-1,6 glucosidic linkages compared to the α-glucosidase of SEQ ID NO: 2.