PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11739197-5 2001 In this study, cloning, sequencing, and splicing analysis of the human and murine STAT3 genes revealed a highly conserved 5" donor site for generation of both alpha and beta mRNA and distinct branch-point sequences, polypyrimidine tracts, and 3" acceptor sites (ASs) for each. polypyrimidine 216-230 signal transducer and activator of transcription 3 Mus musculus 82-87