PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9242679-3 1997 STAT1 and STAT2 are activated by tyrosine phosphorylation in response to type I interferons-alpha/beta (IFN-alpha/beta) and subsequently form a multimeric transcription factor designated the IFN-alpha-stimulated gene factor 3 (ISGF3). Tyrosine 33-41 signal transducer and activator of transcription 2 Homo sapiens 10-15