G protein-coupled receptors (GPCRs) are expressed on the surface of cells and regulate a range of important functions. Because they are involved in so many sensory and physiological processes, ...

The researchers discovered that the flexible beginning of the Y2 receptor (purple) forms various direct contacts with the hormone NPY (green). The sum of these contacts controls which signals are ...

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 have uncovered the ...

Many people still don’t understand how protein works, why it matters or the best ways to get enough of it in their diet. Here ...