PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10887187-7 2000 In a physiological K(+) gradient, TWIK-2 is half inhibited by 0.1 mm Ba(2+), quinine, and quinidine. Quinine 77-84 potassium two pore domain channel subfamily K member 6 Homo sapiens 34-40