PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15530117-1 2004 Pyrrolidin-2-one (gamma-lactam) derivatives have shown a wide range of activities as ligands to diverse receptors, e.g., integrin, CCR5, and CCK. 2-pyrrolidone 0-16 C-C motif chemokine receptor 5 Homo sapiens 131-135