PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12236370-6 2002 A microreactor coupled to an electrochemical flow cell detects the biuret complex of the natively electroinactive peptide des-Tyr-Leu-enkephalin. Biuret 67-73 prodynorphin Homo sapiens 130-144