Strategies for the photo-control of endogenous protein activity.

Curr Opin Struct Biol

Department of Chemistry, University of Toronto, Toronto, Canada. Electronic address:

Published: August 2017

AI Article Synopsis

  • Optogenetic effectors enable researchers to study the function of natural proteins by controlling them with light.
  • There are primarily two methods for creating these effectors: caging strategies that modify protein shape with light and relocalization strategies that utilize light to control interactions between proteins.
  • Current efforts are aimed at enhancing general techniques for light-based control of proteins and improving methods for screening and selecting light-sensitive proteins.

Article Abstract

Photo-controlled or 'optogenetic' effectors interfacing with endogenous protein machinery allow the roles of endogenous proteins to be probed. There are two main approaches being used to develop optogenetic effectors: (i) caging strategies using photo-controlled conformational changes, and (ii) protein relocalization strategies using photo-controlled protein-protein interactions. Numerous specific examples of these approaches have been reported and efforts to develop general methods for photo-control of endogenous proteins are a current focus. The development of improved screening and selection methods for photo-switchable proteins would advance the field.

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Source
http://dx.doi.org/10.1016/j.sbi.2016.11.014DOI Listing

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