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Enginyeria de quitinases de la família GH18 per a l’obtenció de polímers de quitosà amb seqüències definides

Translated title of the contribution: Engineering GH18 chitinases for the production of sequence-defined chitosan polymers

Research output: Indexed journal article Article

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 contributionEngineering GH18 chitinases for the production of sequence-defined chitosan polymers
Original languageCatalan
Pages (from-to)32-44
Number of pages13
JournalRevista de la Societat Catalana de Química
Issue number17
DOIs
Publication statusPublished - 1 Nov 2018

Keywords

  • Chito-oligosaccharide
  • protein engineering
  • chitinase
  • glycosynthase
  • hydrolysis
  • transglycosylation

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