PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16985038-2 2006 The effects of progesterone may be mediated in part through the progesterone receptor, which exists in two functionally distinct protein isoforms, hPR-A and hPR-B. Progesterone 15-27 S100 calcium binding protein A6 Homo sapiens 147-152