PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
21218764-5	2011	It was found that Cs-g-MCPA copolymers with different grafted positions showed different properties: copolymers grafted on the C-2 position showed higher cytotoxicity and higher transfection efficiency than those grafted on position C-6.	copolymers	28-38	complement C2	Homo sapiens	127-130