PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14690454-5 2004 This STAT1-mediated inhibition does not require STAT1 tyrosine phosphorylation because overexpression of dominant-negative STAT1 with a mutation on tyrosine residue 701 also blocks IFN-alpha activation of STAT1, STAT2 and STAT3. Tyrosine 148-156 interferon alpha 1 Homo sapiens 181-190