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Synthesis of an Intein-mediated Artificial Protein Hydrogel
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Switchable inteins for conditional protein splicing.

Barbara Di Ventura1,2, Henning D Mootz3

  • 1Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany.

Biological Chemistry
|September 19, 2018
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Summary
This summary is machine-generated.

Synthetic biologists engineer controllable biological systems. This study explores intein splicing for rapid, post-translational control of protein function in living cells.

Keywords:
chemical biologyconditional protein splicinginteinsoptogeneticssplit inteins

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Area of Science:

  • Synthetic biology
  • Molecular and Cell Biology

Background:

  • Synthetic biology seeks to engineer controllable biological systems using components like DNA, RNA, and proteins.
  • Controlling protein activity via gene expression is common, but post-translational modifications offer faster cellular responses.
  • Inteins, protein domains that splice themselves out, present a promising mechanism for rapid, external control of protein function.

Purpose of the Study:

  • To review methods for controlling intein activity.
  • To focus on intein-based control strategies suitable for applications within living cells.

Main Methods:

  • Discussion of existing literature on intein engineering and control mechanisms.
  • Analysis of intein splicing triggered by external inputs like small molecules or light.
  • Evaluation of intein systems for their compatibility with live-cell environments.

Main Results:

  • Intein-mediated protein splicing offers a powerful tool for post-translational regulation.
  • Various strategies exist to control intein activity, enabling dynamic modulation of protein function.
  • Several intein systems demonstrate potential for real-time control in living cells.

Conclusions:

  • Intein splicing provides a versatile platform for engineering controllable proteins in synthetic biology.
  • Further development of externally regulated inteins will enhance their utility in cellular engineering.
  • This approach facilitates rapid, precise control over protein function and localization in response to stimuli.