Abstract
Chitinases are glycoside hydrolases (GH) that catalyse the hydrolysis of β(1→4) glycosidic bonds of chitin and chi-tosan polymers. Some chitinases also have transglycosylase activity, allowing them to introduce new glycosidic bonds between donor and acceptor sugar molecules with the consequent generation of chitin-oligosaccharides (COS), which may be useful for a range of biological applications. Chitinases are used as a synthetic tool to obtain well-defined COS. We propose here the application of glycosynthase technology on GH18 chitinases. Protein engineering is used to increase the transglycosylation activity while concomitantly decreasing the hydrolysis activity.
| Translated title of the contribution | Engineering GH18 chitinases for the production of sequence-defined chitosan polymers |
|---|---|
| Original language | Catalan |
| Pages (from-to) | 32-44 |
| Number of pages | 13 |
| Journal | Revista de la Societat Catalana de Química |
| Issue number | 17 |
| DOIs | |
| Publication status | Published - 1 Nov 2018 |
Keywords
- Chito-oligosaccharide
- protein engineering
- chitinase
- glycosynthase
- hydrolysis
- transglycosylation
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