PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1659892-4 1991 It was found to have a subunit structure, with a homooligomeric sialoglycoprotein consisting of four 20 kDa protomeric species being involved in the recognition of the CBG molecules complexed with progesterone or cortisol. Progesterone 197-209 serpin family A member 6 Homo sapiens 168-171