PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2157217-4 1990 This effect was confirmed by Scatchard analysis of binding experiments, using [35S]methionine and [35S]cysteine metabolically labeled IL-6. Sulfur-35 99-102 interleukin 6 Homo sapiens 134-138