Example image of eyePlorer eyePlorer map for 'Second messenger system': Cell physiology Signal transduction Calcium in biology Carbon monoxide Cell membrane Cyclic adenosine monophosphate Cyclic guanosine monophosphate Cytosol Diglyceride Effector (biology) Gas Hydrophile Hydrophobe Inositol triphosphate Phosphatidylinositol Enzyme Organelle Arachidonic acid Phosphatidylinositol 4,5-bisphosphate Neurotransmitter Receptor (biochemistry) G protein Guanosine diphosphate Guanosine triphosphate Protein Phospholipase C Protein kinase C Calreticulin Cyclic di-GMP Cyclic di-GMP riboswitch Intracellular calcium-sensing proteins Phosphatidylinositol 3,4-bisphosphate Phosphodiesterase inhibitor Cyclic nucleotide D-chiro-inositol Inositol pentakisphosphate Michael Berridge Nicotinic acetylcholine receptor Phosphatidylinositol (3,4,5)-trisphosphate Upstream and downstream (transduction) Adenylate cyclase Cyclic ADP-ribose Earl Wilbur Sutherland, Jr. Far-Eastern blotting Imidazoline receptor Intracellular receptor PDE5 drug design Prolactin receptor Functional selectivity Hydralazine