noun
- a protein that contains one or more phosphate groups covalently bonded to amino acid residues, typically serine, threonine, or tyrosine
Usage: technical; biochemistry
Examples
- Phosphoproteins play a crucial role in cell signaling pathways.
- The enzyme phosphorylates target proteins, converting them into phosphoproteins.
- Casein, a major milk protein, is a well-known phosphoprotein.
- Researchers studied how phosphoproteins regulate enzyme activity in the cell.
- The addition of phosphate groups transforms proteins into phosphoproteins with altered function.
- Phosphoproteins are essential for controlling protein interactions in living organisms.