PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19728173-8 2010 Haptoglobin does not prevent ecotin inhibition of u-PA, but it may act as a carrier within blood when ecotin is used in vivo. ecotin 102-108 haptoglobin Homo sapiens 0-11