PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12046897-6 2002 Furthermore, we found that vesicle adsorption on a preformed monolayer supplemented with SP-B or SP-C is strongly enhanced by negatively charged lipids as provided by DPPG and the presence of Ca2+ ions in the subphase. 1,2-dipalmitoylphosphatidylglycerol 167-171 surfactant protein C Homo sapiens 97-101