PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22506557-8 2012 In pulmonary arteries contracted by U46619 and in bronchioles contracted by histamine, the K(Ca) 2.3/ K(Ca) 3.1 activator, NS309, induced concentration-dependent relaxations. Histamine 76-85 potassium calcium-activated channel subfamily N member 4 Homo sapiens 102-111