PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2105223-3	1990	This wheel-like structure was composed of actin filaments forming a characteristic arrowhead structure with heavy meromyosin from muscle.	meromyosin	114-124	actin epsilon 1	Bos taurus	42-47