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Updated: Jun 21, 2026

Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy
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Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy

Published on: June 27, 2014

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通过时间分辨率晶体学在类似动物的加密色光受体中捕获结构中间体

Manuel Maestre-Reyna1,2, Yuhei Hosokawa1,2,3, Po-Hsun Wang2,4

  • 1Department of Chemistry, National Taiwan University, 1Roosevelt Rd. Sec. 4, Taipei 106, Taiwan.

Science advances
|May 16, 2025
PubMed
概括

动物的加密染色体,对于昼夜节律至关重要,通过光还原发出信号. 这项研究揭示了flavin adenine dinucleotide (FAD) 光还原和蛋白质展开如何创建一个信号状态.

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Channel Rhodopsins01:11

Channel Rhodopsins

Most organisms use photoreceptors to sense and respond to light. Examples of photoreceptors include bacteriorhodopsins and bacteriophytochromes in some bacteria, phytochromes in plants, and rhodopsins in the photoreceptor cells of the vertebral retina. The light-sensitive property of these receptors is because of the bound chromophores, such as bilin in the phytochromes and retinal in the rhodopsins.
Rhodopsins belong to the family of cell surface proteins called G-protein coupled receptors,...
Protein Dynamics in Living Cells01:19

Protein Dynamics in Living Cells

Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...