PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
15369763-5	2004	Sm D1, Sm D3, and Sm B/B" isolated from nuclear fractions were all found to contain omega-NG-monomethylarginine and symmetric omega-NG,NG"-dimethylarginine, modifications that have been previously described.	ng"-dimethylarginine	135-155	small nuclear ribonucleoprotein polypeptides B and B1	Homo sapiens	18-24