PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
18849090-10	2009	However, there was a significant release of ATP from different Cx23 HeLa cell clones, even in the presence of normal culture medium with high calcium ion concentration, suggesting a hemichannel-based function of Cx23.	hemichannel	182-193	gap junction protein epsilon 1	Homo sapiens	212-216