PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7524808-4 1994 In PXE, elastin fibres were also highly positive for chondroitin 6-sulphate, vitronectin, fibronectin and serum amyloid antigen. chondroitin 6-sulphate 53-75 elastin Homo sapiens 8-15