PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10068671-9 1999 IFN-alpha enhanced tyrosine phosphorylation of STAT1, STAT3, STAT4, STAT5a, and STAT5b. Tyrosine 19-27 signal transducer and activator of transcription 5B Homo sapiens 80-86