C. Normalized endpoint NFAT translocation (mean±s.e.m) of control constructs and STIM variants with deleted PBD (∆KK) with or without addition of 1 µM PF-04957325, Kruskalis-Wallis Anova, n=18-19 for ∆KK constructs +/-PF, 56-120 for STIM1, STIM1A controls obtained from three independent transfections. **p<0.01, ***p<0.001 Kruskal-Wallis Anova with Dunn's multiple comparisons test. For clarity, not all differences are shown. 