PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1518835-3 1992 UV-crosslinking experiments revealed that both female-specific transformer (tra) and transformer-2 (tra-2) products bind to the 13-nucleotide sequences of dsx pre-mRNA. 13-nucleotide 128-141 transformer Drosophila melanogaster 47-80