PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24503060-3 2014 Exposure of Cx43-expressing Xenopus laevis oocytes to divalent cation free solution induced a gadolinium-sensitive uptake of the fluorescent dye ethidium. Gadolinium 94-104 gap junction protein alpha 1 S homeolog Xenopus laevis 12-16