Functional asymmetry and essential structural roles of PDE6α and PDE6β subunits in rod–photoreceptor integrity - Roman Smidak; Deepak Poria; Fangyuan Gao; Zhiqian Dong; Jianye Zhang; Marco Bassetto; Eleonora Risaliti; Aleksander Tworak; Weijing Liu; Vladimir J. Kefalov; Krzysztof Palczewski (Proceedings of the National Academy of Sciences, 2026)