PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
15201280-9	2004	Extracellular pH directly alters the CaR in the case of Ca(o) and Mg(o) activation; however, the charges on many organic and inorganic agonists are pH-dependent.	Magnesium Oxide	66-71	calcium sensing receptor	Homo sapiens	37-40