PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3322853-4 1987 These receptors exhibit an insulin-stimulatable tyrosine-specific activity that is capable of phosphorylating the receptor"s own beta-subunit and exogenous substrate. Tyrosine 48-56 insulin Bos taurus 27-34