PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9463889-8 1998 Incorporation of phosphatidylethanolamine or phosphatidylserine into phosphatidylcholine vesicles reduced the binding of PDC-109, suggesting that both the density of phosphorylcholine groups and the surface charge determine the interaction of the seminal plasma protein with the surface of the membrane. Phosphatidylserines 45-63 seminal plasma protein PDC-109 Bos taurus 121-128