PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24739643-21 2014 CONCLUSION: During the expression of SDF-1alpha regulated by steroids in ectopic endometrium cells, SRC-1 is the major coactivator of 17beta-estradiol and SRC-2 is the major coactivator of progesterone. Progesterone 189-201 nuclear receptor coactivator 2 Homo sapiens 155-160