Mutational analysis in the glycone binding pocket of Dalbergia cochinchinensis β-glucosidase to increase catalytic efficiency toward mannosides.

Abstract excerpt

Dalcochinase and Abg are glycoside hydrolase family 1 β-glucosidases from Dalbergia cochinchinensis Pierre and Agrobacterium sp., respectively, with 35% sequence identity. However, Abg shows much higher catalytic efficiencies toward a broad range of glycone substrates than dalcochinase does, possibly due to the difference in amino acid residues around their glycone binding pockets. Site-directed mutagenesis was...

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