PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31560974-0 2020 Immunization with proline rich region of pneumococcal surface protein A has no role in protection against Streptococcus pneumoniae serotype 19F. isoleucyl-prolyl-proline 18-25 surfactant associated protein A1 Mus musculus 41-71 31560974-2 2020 Here, we expressed and purified the proline-rich (PR) region of PspA and test it as a vaccine candidate against infection caused by a clinical isolate of Streptococcus pneumoniae of serotype 19F (SP19). isoleucyl-prolyl-proline 36-43 surfactant associated protein A1 Mus musculus 64-68