PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1650365-4 1991 To address the functional significance of this modification, the stoichiometry of GPIIIa phosphorylation was determined in resting and activated platelets by estimating the specific activity of metabolic [gamma-32P]ATP from the specific activity of phosphatidic acid. gamma-32p 205-214 integrin subunit beta 3 Homo sapiens 82-88