BiophysicsbioRxivPreprint
Coral anthozoan-specific opsins employ a novel chloride counterion for spectral tuning
Yusuke Sakai, Saumik Sen, Tomohiro Sugihara…·Akihisa Terakita
This study identifies a novel chloride counterion mechanism in coral opsins that stabilizes the Schiff base proton, enabling light sensitivity without a traditional counterion residue.
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