PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15588892-5 2005 Cation-modified t-PA (CM-tPA) was obtained by chemical conjugation of t-PA with a poly(Arg)7Cys peptide using the crosslinker N-succinimidyl 3-2-(pyridlydithio)propionate (SPDP). N-succinimidyl 3-(2-pyridyldithio)propionate 172-176 plasminogen activator, tissue type Rattus norvegicus 16-20