since the phosphorylation of the protein of mr 50,000 was stimulated both in intact platelets by cyclic-nucleotide-elevating agents and cyclic nucleotide analogs , as well as in platelet membranes by cyclic nucleotides , this phosphoprotein was analyzed by limited proteolysis , tryptic fingerprinting and phosphoamino acid analysis .
C0028630
nucleotide
C0028631
cyclic nucleotides