PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7816617-6 1994 The upstream region of the HAC1 gene contains a T4C site, a URS (upstream repression sequence) and a TR (T-rich) box-like sequence, which reside upstream of many meiotic genes. Peptichemio 60-63 transcription factor HAC1 Saccharomyces cerevisiae S288C 27-31