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Related Experiment Video

Updated: May 20, 2026

Engineering 'Golden' Fluorescence by Selective Pressure Incorporation of Non-canonical Amino Acids and Protein Analysis by Mass Spectrometry and Fluorescence

Engineering 'Golden' Fluorescence by Selective Pressure Incorporation of Non-canonical Amino Acids and Protein Analysis by Mass Spectrometry and Fluorescence

Published on: April 27, 2018

Engineering strain-sensitive yellow fluorescent protein.

Taro Ichimura¹, Hideaki Fujita, Keiko Yoshizawa

¹Laboratory for Comprehensive Bioimaging, Quantitative Biology Center, RIKEN, 6-2-3 Furuedai, Suita-shi, Osaka 565-0874, Japan.

Chemical Communications (Cambridge, England)

|July 4, 2012

Summary

Researchers developed a novel strain-sensitive yellow fluorescent protein (YFP) to measure mechanical forces within proteins. This tool aids in understanding protein mechanics during biological processes like muscle contraction and transport.

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Area of Science:

Biophysics
Molecular Biology
Cellular Mechanics

Background:

Biological processes like muscle contraction and vesicle transport involve mechanical forces.
Proteins play crucial roles in generating and sensing these forces.
Quantifying intramolecular strain in proteins is essential for understanding their function.

Purpose of the Study:

To develop a novel biosensor for detecting intramolecular strain in proteins.
To provide a tool for studying the mechanical aspects of protein function.

Main Methods:

Development of a strain-sensitive yellow fluorescent protein (YFP) recombinant.
Utilizing the YFP recombinant to detect intramolecular strains experienced by proteins.

Main Results:

Successfully engineered a YFP recombinant capable of sensing mechanical strain.
Demonstrated the YFP's ability to detect intramolecular strains within proteins.

Conclusions:

The developed strain-sensitive YFP serves as a valuable tool for investigating protein mechanics.
This technology can advance the study of force-generating and force-sensing proteins in various biological contexts.