PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29656472-0 2018 In vitro and in vivo characterization of an interleukin-15 antagonist peptide by metabolic stability, 99m Tc-labeling, and biological activity assays. Technetium 106-108 interleukin 15 Homo sapiens 44-58