Engineered pairs of distinct photoswitches for optogenetic control of cellular proteins

Fuun Kawano, Hideyuki Suzuki, Akihiro Furuya, Moritoshi Sato

Research output: Contribution to journalArticle

107 Citations (Scopus)

Abstract

Optogenetic methods take advantage of photoswitches to control the activity of cellular proteins. Here, we completed a multi-directional engineering of the fungal photoreceptor Vivid to develop pairs of distinct photoswitches named Magnets. These new photoswitches were engineered to recognize each other based on the electrostatic interactions, thus preventing homodimerization and enhancing light-induced heterodimerization. Furthermore, we tuned the switch-off kinetics by four orders of magnitude and developed several variants, including those with substantially faster kinetics than any of the other conventional dimerization-based blue spectrum photoswitches. We demonstrate the utility of Magnets as powerful tools that can optogenetically manipulate molecular processes in biological systems.

Original languageEnglish
Article number6256
JournalNature Communications
Volume6
DOIs
Publication statusPublished - 2015 Feb 25
Externally publishedYes

Fingerprint

Optogenetics
Magnets
magnets
proteins
Biological Phenomena
photoreceptors
Kinetics
Dimerization
kinetics
Biological systems
dimerization
Coulomb interactions
Static Electricity
Proteins
switches
Switches
engineering
electrostatics
Light
interactions

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Chemistry(all)
  • Physics and Astronomy(all)

Cite this

Engineered pairs of distinct photoswitches for optogenetic control of cellular proteins. / Kawano, Fuun; Suzuki, Hideyuki; Furuya, Akihiro; Sato, Moritoshi.

In: Nature Communications, Vol. 6, 6256, 25.02.2015.

Research output: Contribution to journalArticle

Kawano, Fuun ; Suzuki, Hideyuki ; Furuya, Akihiro ; Sato, Moritoshi. / Engineered pairs of distinct photoswitches for optogenetic control of cellular proteins. In: Nature Communications. 2015 ; Vol. 6.
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