what-is-the-role-of-inositol-145-triphosphate-ip3-in-the-phosphoinositide-signal

Question

What is the role of inositol 1,4,5-triphosphate (IP3) in the Phosphoinositide Signaling Pathway?

Accepted Answer

It binds to calcium channels in the endoplasmic reticulum, releasing Ca2+ into the cytoplasm.

Answer

It directly activates phospholipase C.

Answer

It activates protein kinase A.

Answer

It phosphorylates target proteins in the cytoplasm.