PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10484447-10 1999 These observations are consistent with the view that endothelium-derived hyperpolarizing factor (EDHF) is a product of cytochrome P-450 enzymes and produces vasodilation by the opening of large-conductance potassium channels. hyperpolarizing factor 73-95 Cytochrome P450 1A1 Canis lupus familiaris 119-135