Animated clip of SARS-CoV-2 fusing with a host cell. To see the full video, click on the image. Covid-19 begins when the SARS-CoV-2 virus first encounters cells in the upper airway that express a ...

The cells in living organisms are constantly making proteins. Ribosomes, the RNA-protein complexes that make other proteins, ...

Doubly stapled α-helix consisting only of achiral amino acids. Its one-handed form can be isolated because the interconversion between the right- and left-handed forms is almost completely suppressed.

Scientists have discovered a mechanism by which an area of a protein shape-shifts to convert vitamin A into a form usable by the eye's light-sensing photoreceptor cells. A previously uncharacterized ...