PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
6773257-8	1980	The CO3 content of the bone samples agrees with the formula Ca8 (PO4)4 (CO3) (OH)2 .	co3	4-7	carbonic anhydrase 8	Homo sapiens	60-63