NUC GEPII 2.15

FRET (CFP/YFP) based genetically encoded potassium ion indicator including a nuclear import sequence. Binding of K⁺ to the probe decreases the CFP fluorescence signal and increases FRET. The K_D of NUC NUC GEPII 2.15 is around 16 mM.

Reference: Bischof et al Nature Communications 2017