E1s and E2s first work generically across the cell to activate and prepare ubiquitin for attachment. E3 ligases then ensure that the tag is added to the right protein; as such, hundreds of specific ...

BYU Professor David Thomson is working to understand a chemical pathway in human muscles that may explain the effects of exercise.

The intestinal epithelium is a highly dynamic barrier that regulates digestion, absorption, immune responses, and ...