PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2466553-4	1989	CAR-3 antigen was purified by a three-step procedure, consisting of perchloric acid extraction, molecular sieving on Sepharose CL-4B, and affinity chromatography on AR-3 antibodies coupled to Sepharose 4B.	Sepharose CL 4B	117-132	carbonic anhydrase 3	Homo sapiens	0-5