Structural basis for color tuning and passive ion conductance in red-shifted pump-fold channelrhodopsin ChR024
Yuka Takeno, Seiya Tajima, Suhyang Kim, Masaki Tsujimura, Yuma Ito, Masahiro Sugiura, Yo Yamashita, Koichiro E. Kishi, Masahiro Fukuda, Seiwa Nakamura, Masaya Watanabe, Hisako Ikeda, Kota Katayama, Yuji Furutani, Hideki Kandori, , Hideaki E. KATO
This study presents cryo-EM structures of ChR024, revealing its color-tuning mechanism and transition from a proton pump to a light-gated channel.
bioRxiv · Sep 16, 2025 · PreprintBiophysics