PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1123348-8	1975	It was therefore concluded that C-5 inversion of D-glucuronic acid to L-iduronic acid occurred on the polymer level as shown previously for the biosynthesis of heparin (Hook, M., Lindahl, U., Backstrom, G., Malmstrom, A., AND Fransson, L-A., J. Biol.	Glucuronic Acid	49-66	complement C5	Homo sapiens	32-35