PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
22528119-9	2012	We further confirmed that Top2alpha inhibition was due to a catalytic inhibition of the enzyme because it did not induce DNA double-strand breaks in CEM-treated cells but prevented the formation of Top2alpha- rather than Top2beta-DNA covalent complexes induced by etoposide.	2-chloroethyl methyl sulfide	149-152	DNA topoisomerase II alpha	Homo sapiens	26-35