PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17374610-6 2007 Luciferase activity in the presence of 2,2"-dipyridyl was reduced significantly upon small interfering RNA knockdown of HIF-1alpha but not of HIF-2alpha. 2,2'-Dipyridyl 39-53 hypoxia inducible factor 1 subunit alpha Homo sapiens 120-130