"Protein phosphorylation is one of various post-translational protein modifications that regulates protein function and enzymatic activity. The major phosphoryl acceptors in proteins are serine, threonine, and tyrosine.NCI" . . _:b705477 . "Protein Phosphorylation Process"^^ . "C18496"^^ . "Protein Phosphorylation Process"^^ . "Protein PhosphorylationSYNCI" . "Molecular Function"^^ . "Protein Phosphorylation ProcessPTNCI" . . _:b705477 . _:b705477 . "CL414575"^^ . "Protein_Phosphorylation"^^ . "PhosphorylationSYNCI" . _:b705477 .