PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
12384504-8	2002	Endogenous Mirk, p38, and MKK3 co-migrate within 500-700-kDa protein complexes, which accumulate when nuclear export is blocked by leptomycin B.	leptomycin B	131-143	mitogen-activated protein kinase kinase 3	Homo sapiens	26-30