Chimeric Streptavidins as Host Proteins for Artificial Metalloenzymes

Michela M. Pellizzoni, Fabian Schwizer, Christopher W. Wood, Valerio Sabatino, Yoann Cotelle, Stefan Matile, Derek N. Woolfson, Thomas R. Ward

Research output: Contribution to journalArticle (Academic Journal)peer-review

17 Citations (Scopus)
250 Downloads (Pure)

Abstract

© 2018 American Chemical Society. The streptavidin scaffold was expanded with well-structured naturally occurring motifs. These chimeric scaffolds were tested as hosts for biotinylated catalysts as artificial metalloenzymes (ArM) for asymmetric transfer hydrogenation, ring-closing metathesis and anion catalysis. The additional second coordination sphere elements significantly influence both the activity and the selectivity of the resulting hybrid catalysts. These findings lead to the identification of propitious chimeric streptavidins for future directed evolution efforts of artificial metalloenzymes.
Original languageEnglish
Pages (from-to)1476-1484
Number of pages9
JournalACS Catalysis
Volume8
Issue number2
Early online date5 Jan 2018
DOIs
Publication statusPublished - 2 Feb 2018

Keywords

  • anionâï€ catalysis
  • artificial metalloenzyme
  • chimeric protein
  • protein design
  • protein engineering
  • ring-closing metathesis
  • transfer hydrogenation

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