PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8382696-6 1993 DNA-protein binding by gel mobility shift and methylation interference analyses indicated that the pyrimidine-rich sequence immediately flanking the transcription start site consists of an NF-E1 factor binding motif with an overlapping upstream Sp1 binding site. pyrimidine 99-109 YY1 transcription factor Mus musculus 189-194