PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23942062-0 2013 Association between aspartic acid repeat polymorphism of the asporin gene and susceptibility to knee osteoarthritis: a genetic meta-analysis. Aspartic Acid 20-33 asporin Homo sapiens 61-68 23942062-3 2013 Recently, several genetic studies have suggested that susceptibility to KOA is affected by the number of aspartic acid (D) residues in the amino-terminal of the asporin protein, but evidence remains conflicting. Aspartic Acid 105-118 asporin Homo sapiens 161-168