PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
6600266-11	1983	In fetal tissues, C3b receptor activity appeared developmentally related to the loss of determinants recognized by BA-1 and BA-2 and to the appearance of J5 and BA-3 reactivity with visceral glomerular epithelium.	Barium	115-117	endogenous retrovirus group K member 3	Homo sapiens	18-21	
19255449-7	2009	To confirm contribution of Ba to binding, affinity of Ba for C3b was determined.	Barium	27-29	endogenous retrovirus group K member 3	Homo sapiens	61-64	
19255449-7	2009	To confirm contribution of Ba to binding, affinity of Ba for C3b was determined.	Barium	54-56	endogenous retrovirus group K member 3	Homo sapiens	61-64	
19136636-6	2009	However, the C3b-bound fB structure was easily interpreted after independently fitting the atomic structures of the isolated Bb and Ba fragments.	Barium	132-134	endogenous retrovirus group K member 3	Homo sapiens	13-16