PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
21488413-3	1972	A marked inverse relation between calcium binding to serum albumin and ionic strength has been demonstrated by means of an ultrafiltration method and shown to be identical in NaCl and KCI medium, while magnesium binds competitively to albumin with the same affinity as calcium ions.	kci medium	184-194	albumin	Homo sapiens	53-66