title: Intracellular signalling. GTP and calcium release.
mesh_terms: D000818:Animals; D002118:Calcium / Q000502:physiology*; D002451:Cell Compartmentation; D003593:Cytoplasm / Q000502:physiology; D004721:Endoplasmic Reticulum / Q000502:physiology; D006160:Guanosine Triphosphate / Q000502:physiology*; D006801:Humans; D007295:Inositol Phosphates / Q000502:physiology
chemical_list: D007295:Inositol Phosphates; D006160:Guanosine Triphosphate; D002118:Calcium