PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19560936-2 2009 Oxidation of Tyr (AngII+O) leads to a low-energy charge-remote selective fragmentation channel resulting in the b(4)+O fragment ion. Tyrosine 13-16 angiotensinogen Homo sapiens 18-23