PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8662980-5 1996 Ligand-occupied TRalpha or TRbeta, but not the unliganded receptor, strongly suppressed transactivation of a progesterone-responsive reporter gene by endogenous PRs in human breast carcinoma T47D cells. Progesterone 109-121 T cell receptor alpha locus Homo sapiens 16-23