PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31435600-2 2019 Two progesterone receptor (PR) isoforms, namely PR-A and PR-B, mediate the special effects of progesterone. Progesterone 4-16 RB transcriptional corepressor 1 Homo sapiens 57-61