Effect of preincubation of Aspergillus with 10 μM (R)-(+)-BAY K8644 on Ca2+ response to 10 μM (S)-(−)-BAY K8644. Note that underlined data represent statistically significant data according to the 5% LSD (least significant difference) where . Primary endpoint is final resting level (FRL), which in this experiment was measured at 5 minutes.