PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18381062-2 2008 Here, I showed that coumermycin-induced chemical heterodimerization of Jak1 and Jak3 but not homodimerization of Jak1 or Jak3 induces cell proliferation of an IL-2R-reconstituted cell line. coumermycin 20-31 interleukin 2 receptor subunit alpha Homo sapiens 159-164