PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18548383-3 2008 Progestin binding was competed by the progesterone receptor agonists progesterone and levonorgestrel, by the antagonist mifepristone, and also by the androgen dihydrotestosterone, whereas the androgen receptor antagonist hydroxyflutamide was a weak competitor. hydroxyflutamide 221-237 androgen receptor Homo sapiens 192-209