PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8143901-3 1993 The peptides were tested for their ability to inhibit the binding of 125I-labeled hCG or LH to rat ovarian membranes and for their ability to inhibit hCG-stimulated progesterone production in a Leydig cell bioassay. Iodine-125 69-73 chorionic gonadotropin subunit beta 5 Homo sapiens 82-85