Transglucosidases as efficient tools for oligosaccharide and glucoconjugate synthesis

Area of Science:

• Enzymology
• Carbohydrate Chemistry
• Protein Engineering

Background:

• Transglucosidases offer a powerful enzymatic approach for glucodiversification.
• These enzymes utilize simple glycosidic linkages, unlike nucleotide-activated sugars, for synthesis.
• Glucansucrases, using sucrose as a donor, are particularly valuable for creating diverse molecules.

Purpose of the Study:

• To explore the potential of transglucosidases in synthesizing novel carbohydrate derivatives.
• To highlight the enzyme promiscuity for acceptor substrates in synthetic reactions.
• To showcase advancements in creating tailored enzymes for specific applications.

Main Methods:

• Utilizing transglucosidases for glucodiversification.
• Employing glucansucrases with sucrose as the donor substrate.
• Leveraging computational protein design and molecular engineering for enzyme development.

Main Results:

• Demonstrated the synthesis of diverse carbohydrate derivatives.
• Achieved novel enzyme creation through protein design and engineering.
• Facilitated chemo-enzymatic synthesis of antigenic oligosaccharides.

Conclusions:

• Transglucosidases are promising tools for synthesizing structurally controlled molecules.
• Enzyme engineering advances enable the creation of tailored catalysts.
• Future applications include synthesizing glucoconjugates for pharmaceutical and nutritional use.