Phosphorylation can either activate a protein (orange) or inactivate it (green). Kinase is an enzyme that phosphorylates proteins. Phosphatase is an enzyme that dephosphorylates proteins ...

Several major signalling pathways influence cell death through their direct effects on the phosphorylation ... regulation of apoptosis, compared with any of the other 15 known Bcl2-family proteins.

Tight junction integrity is altered by the phosphoylation state of the proteins occludin and claudins, and may be regulated by the type of exercise performed. Prolonged exercise and high-intensity ...