PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
15988721-5	2005	The experimental results demonstrate that the N-terminal trimethylammonium derivatives of peptides exhibit MALDI signals comparable to or exceeding those of arginine-containing standards such as angiotensin I.	Cetrimonium	57-74	angiotensinogen	Homo sapiens	195-208