A research team of the University Medical Center Mainz has succeeded in observing for the first time how G protein-coupled ...

Taste, pain, or response to stress — nearly all essential functions in the human body are regulated by molecular switches called G protein-coupled receptors (GPCRs). Researchers at the University of ...

Two different versions of the mu-opioid receptor within a cellular membrane illustrate how the receptor changes its conformation to send a signal into the cell. Scientists captured six high-resolution ...