1. Proteins that have been modified by the addition of phosphate groups, typically on serine, threonine, or tyrosine residues; important in cell signaling and regulation.
Usage: technical; biochemistry; plural form of phosphoprotein

Examples

• Phosphoproteins play a crucial role in transmitting signals within cells.
• The research team identified several phosphoproteins involved in the disease pathway.
• Phosphorylation converts proteins into phosphoproteins, altering their function.
• Scientists use mass spectrometry to detect and analyze phosphoproteins in tissue samples.
• Many phosphoproteins are involved in regulating cell division and growth.