PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
17380293-3	2007	The precipitates can be regarded as a calcium-deficient HAp, the PO(4) sites of which are partly occupied by Nb ions.	Calcium	38-45	retinoic acid receptor beta	Homo sapiens	56-59