Rapid screening of lectins for multivalency effects with a glycodendrimer microarray

Núria Parera Pera, Hilbert M. Branderhorst, Raymond Kooij, Caroline Maierhofer, Marjolein Van Der Kaaden, Rob M. J. Liskamp, Valentin Wittmann, Rob Ruijtenbeek, Roland J. Pieters

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Multivalency is an important phenomenon in protein-carbohydrate interactions. In order to evaluate glycodendrimers as multivalent inhibitors of carbohydrate binding proteins, we displayed them on a microarray surface. Valencies were varied from 1 to 8, and corrections were made for the valencies so that all surfaces contained the same amount of the sugar ligand. Five different carbohydrates were attached to the dendrimers. A series of fluorescent lectins was evaluated, and for each of them a binding profile was obtained from a single experiment showing both the specificity of the lectin for a certain sugar and whether it prefers multivalent ligands or not. Very distinct binding patterns were seen for the various lectins. The results were rationalized with respect to the interbinding distances of the lectins. © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish
Pages (from-to)1896-1904
Number of pages9
JournalChemBioChem
Volume11
Issue number13
DOIs
Publication statusPublished - 3 Sept 2010

Keywords

  • Carbohydrates
  • Click chemistry
  • Dendrimers
  • Inhibitors
  • Microarrays
  • carbohydrate
  • dendrimer
  • fluorescent dye
  • lectin
  • n acetylglucosamine
  • sugar
  • article
  • binding kinetics
  • microarray analysis
  • monitoring
  • priority journal
  • protein binding
  • protein carbohydrate interaction
  • screening
  • synthesis

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