PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
15004330-9	2004	Immunoprecipitation studies indicated that ubiquilin-1 overexpression decreases ubiquitination of coexpressed PS2 proteins, suggesting that binding of ubiquilin might block ubiquitin chain elongation.	ubiquilin	43-52	presenilin 2	Homo sapiens	110-113