PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24269640-2 2014 The principle N-terminal fragment produced by Asp-N was a 19kDa peptide likely derived by proteolysis of EL2 residue D174, which is present just past the extracellular end of TM3. asp-n 46-51 tropomyosin 3 Homo sapiens 175-178