Opsins are G protein-coupled receptors which are activated by light-triggered retinal 11-cis-to-all-trans photoisomerization. Here, the authors report a vertebrate non-visual opsin (Opn5L1) that functions as a Gi-coupled retinal receptor, is deactivated by light and can thermally self-regenerate.
- Keita Sato
- Takahiro Yamashita
- Yoshinori Shichida