How does Ran GTPase control both protein import during interphase and spindle attachment to the chromosomes during M-phase? It all has to do with its concentration gradient in the cell.

Dynamin is a large GTPase that participates in the severing of membrane-bound vesicles. A small-molecule inhibitor specific for the dynamin family of GTPases has been identified and reveals new ...

The protein GBP1 is an essential part of the human body's defense mechanism against infections. However, the mechanism by which this material envelops germs and parasites in a protein sheath to ...