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Genetically Encoded Photocaged Proteinogenic and Non-Proteinogenic Amino Acids.

Xiaochen Yang1,2, Xun-Cheng Su2, Weimin Xuan1

  • 1Frontier Science Center for Synthetic Biology (Ministry of Education), School of Life Sciences, Faculty of Medicine, Tianjin University, Tianjin, 300072, China.

Chembiochem : a European Journal of Chemical Biology
|June 3, 2024
PubMed
Summary
This summary is machine-generated.

Photocaged amino acids, genetically encoded using genetic code expansion (GCE), offer light-controlled protein function. This review covers proteinogenic and non-proteinogenic photocaged amino acids for advanced protein engineering.

Keywords:
Genetic Code ExpansioNoncanonical Amino AcidPhoto-RegulationPhotocaged Amino Acid

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Area of Science:

  • Biochemistry and Molecular Biology
  • Synthetic Biology
  • Protein Engineering

Background:

  • Photocaged amino acids enable precise control over protein function using light.
  • Genetic code expansion (GCE) is a powerful technique for incorporating unnatural amino acids into proteins.
  • Existing photocaged amino acids have limitations in direct encoding or structural resemblance to natural amino acids.

Purpose of the Study:

  • To review the encoding of photocaged proteinogenic amino acids.
  • To summarize the incorporation of photocaged non-proteinogenic amino acids.
  • To highlight advancements in light-inducible protein engineering.

Main Methods:

  • Genetic code expansion (GCE) for incorporating photocaged amino acids.
  • Site-specific incorporation of photocaged amino acids into proteins.
  • Characterization of photocaged protein variants.

Main Results:

  • Successful genetic encoding of various photocaged proteinogenic amino acids.
  • Development of methods for incorporating photocaged non-proteinogenic amino acids.
  • Demonstration of spatiotemporal control over protein function using light.

Conclusions:

  • Photocaged amino acids are versatile tools for innovative protein engineering.
  • GCE facilitates the precise integration of photocaged amino acids for light-mediated protein regulation.
  • Further research in this area promises exciting advancements in controlling biological systems.