MULTIPLE ROLES
OF INTRACELLULAR CALCIUM
IONS
PI-LINKED
RECEPTOR
LIGAND-GATED
CALCIUM CHANNEL
VOLTAGE-SENSITIVE
CALCIUM CHANNEL
Ca2+
Ca2+
IP
3
CALCIUM IS “STORED”
IN THE ENDOPLASMIC
RETICULUM
2
+
MULTIFUNCTIONAL
CAM
KINASES
CAM
KINASE 3
EUKARYOTIC
ELONGATION FACTOR II