PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
21882064-5	2012	The expression of the MyHC I, IIa, and IIx isoforms were determined on silver-stained 6% SDS-PAGE.	Silver	71-77	myosin heavy chain 6	Homo sapiens	22-26