PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7908287-5 1994 When similar incubations were performed with 32Pi-labeled cells and the receptors were immunoprecipitated with specific antibodies, alpha 2-C10 and alpha 2-C2 receptors were found to undergo an approximately 3-fold increase in receptor phosphorylation after epinephrine exposure. 32pi 45-49 adrenoceptor alpha 2A Homo sapiens 132-143