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A self-immobilizing and fluorogenic unnatural amino acid that mimics phosphotyrosine

Jingyan Ge1, Lin Li, Shao Q Yao

  • 1Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore.

Chemical Communications (Cambridge, England)
|September 13, 2011
PubMed

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Phosphorylation

The addition or removal of phosphate groups from proteins is the most common chemical modification that regulates cellular processes. These modifications can affect the structure, activity, stability, and localization of proteins within cells as well as their interactions with other proteins.
During phosphorylation, protein kinases transfer the terminal phosphate group of ATP to specific amino acid side chains of substrate proteins. Serine, threonine, and tyrosine are the most commonly...