Inositol 1,4,5-trisphosohate (IP3) and its receptors play a pivotal role in calcium signal transduction in mammals. Some fractions of tonoplast and endoplasmic reticulum membranes have high affinity binding activity for IP3, and IP3 can induce Ca2+ release in several plants. However, no homologues o...
ORGANISM(S): Oryza sativa (Rice)