Figure S2.
Light-induced APs in Xenopus oocytes using the cardiac Na+ channel Nav1.5.(A) Nine superimposed current-clamp recordings in oocytes expressing Nav1.5 and β1-ChR2. (B) Seven superimposed current-clamp recordings in oocytes expressing Nav1.5, β1-ChR2, and Kv2.1. Similarly, as observed for Nav1.4-injected oocytes, coexpression of Kv2.1 led to a pronounced AP shortening. For detailed statistics, see Table S2. The blue-light flash is indicated by an arrow.

Light-induced APs in Xenopus oocytes using the cardiac Na+ channel Nav1.5. (A) Nine superimposed current-clamp recordings in oocytes expressing Nav1.5 and β1-ChR2. (B) Seven superimposed current-clamp recordings in oocytes expressing Nav1.5, β1-ChR2, and Kv2.1. Similarly, as observed for Nav1.4-injected oocytes, coexpression of Kv2.1 led to a pronounced AP shortening. For detailed statistics, see Table S2. The blue-light flash is indicated by an arrow.

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