PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6963-1 1976 Sarcoidosis is a disease of unknown etiology that is characterized by the generalized formation of granulomas and is accompanied by elevation in the serum in less than half the patients of angiotensin converting enzyme, a dipeptidyl carboxypeptidase that catalyzes the conversion of the decapeptide, angiotensin I, to the pressor octapeptide, angiotensin II, and L-histidyl-L-leucine. decapeptide 287-298 angiotensin I converting enzyme Homo sapiens 189-218