PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27440904-6 2016 Surprisingly, in all three cell types, a majority of Gag peptides derived from p15 rather than from the most immunogenic p24. Glycosaminoglycans 53-56 cyclin dependent kinase inhibitor 2B Homo sapiens 79-82