Uniporter-induced I_CACC. (A) TEVC recordings of hME-expressing oocytes. Currents were recorded using repeated voltage ramps (inset). Left: I–V relations_. (1) 2 mM Ca²⁺. (2) 20 mM Ca²⁺. (3) 20 mM Ca²⁺ + 1 µM Ru360. Right: Currents at 80 mV. (B) I_CACC in hME-expressing or uninjected (con) oocytes. The bar chart compares currents (80 mV) induced by 2 mM (gray) and 20 mM (red) extracellular Ca²⁺. Numbers indicate independent repeats. Data are presented as mean ± SEM.