PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
7094141-2	1982	Covalent binding is between C-8 of xanthine and O-2 of uracil.	Uracil	55-61	immunoglobulin kappa variable 1D-39	Homo sapiens	28-51