catalyzes the production of , which then opens an ion channel that releases into the cell's cytoplasm. catalyzes the production of , which then opens an ion channel that releases into the cell's cytoplasm. adenylyl cyclase ... cyclic amp ... ca2 phospholipase c ... cyclic amp ... ca2 protein kinase ... pip2 ... na phospholipase c ... ip3 .... ca2 adenylyl cyclase ... ip3 .... ca2
