For each structural strain of tau fibrils, they identified amino acids without which the strain cannot form its signature ...

Samples contain all five nucleobases of DNA and RNA, supporting theory that asteroids may have seeded Earth with life's ...

Here we explore peptide inhibitors of Cdc20, a substrate-recognition subunit and activator of the E3 ubiquitin ligase the anaphase promoting complex/cyclosome (APC/C) that is essential in mitosis and ...

Fatty acids are organic acids with at least one carboxyl (-C(=O)OH, -COOH or -CO2H) group and a long carbon chain that can be joined by double bonds, as in unsaturated fatty acids, or single bonds ...

Credit: Natural History Museum, London/Tobias Salge and NASA’s Goddard Space Flight Center, Public Domain Another unexpected find had to do with the way the amino acid structures were oriented ...

Uric acid is a waste product found in urine. If your body makes too much or doesn't eliminate enough of it, uric acid levels can become too high—a condition known as hyperuricemia. High uric acid ...