PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21871507-3 2012 EEEEpYFELV (EV), a nonapeptide mimicking the Y845 site of EGFR which is responsible for STAT5b phosphorylation, was designed to block EGFR downstream signaling. .alpha.-Glutamylvaline 12-14 signal transducer and activator of transcription 5B Homo sapiens 88-94 21871507-6 2012 Using this approach, EV acted as a dominant negative inhibitor of STAT5b phosphorylation, arrested cell proliferation, and induced massive apoptosis. .alpha.-Glutamylvaline 21-23 signal transducer and activator of transcription 5B Homo sapiens 66-72