Researchers have identified a new function of a well-known enzyme: the signal peptidase complex is responsible for the quality control of membrane proteins. The discovery of this new function for a ...

Proteins are the 'workhorses' in every living cell and constitute the chemical basis of life. These little machines are required to turn food into energy, to manage motion and brain activities and to ...

Ribosomes are the cell's protein factories, which read the genetic code and assemble the proteins that every organism needs ...

Proteins are most well-known for their intricate structures. The α-helices and β-sheets that form from interactions between sidechains create distinct shapes that, along with the specific amino acid ...