PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24749484-6 2014 Mutation of the polypyrimidine tract and closely associated Cytosine and Uracil-rich (CU-rich) sequences, upstream of the mini-exon, altered repression by AtPTB1 and AtPTB2. Uracil 73-79 polypyrimidine tract-binding protein 2 Arabidopsis thaliana 166-172