PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1567419-1	1992	L-Asparaginase from Escherichia coli, an anti-tumor enzyme, was chemically modified with two types of maleic anhydride copolymers with a comb-shaped form, the one composed of polyoxyethylene allyl methyl diether with the molecular weight of 13,000 (activated PM13) and the other of polyoxyethylene 2-methyl-2-propenyl methyl diether with 100,000 (activated PM100).	copolymers	119-129	asparaginase and isoaspartyl peptidase 1	Homo sapiens	0-14