PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21311224-2 2011 Although Stat1 phosphorylated at tyrosine (Y) 701 and serine (S) 727 is essential for interferon (IFN) signalling, its function in signalling induced in breast cancer cells is not understood. Tyrosine 33-41 signal transducer and activator of transcription 1 Mus musculus 9-14