G-ProteinCoupled Receptors

G-protein-coupled receptors (GPCRs) area unit the foremost necessary and most various cluster of membrane receptors in eukaryotes. These cell surface receptors act like academic degree inbox for messages at intervals the type of light-weight energy, peptides, lipids, sugars, and proteins. Such messages inform cells regarding the presence or absence of essential light-weight or nutrients in their setting, or they convey data sent by different cells