PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1647411-4 1991 The IgM kappa M-protein reacts with chondroitin sulfate C and binds to a broad nerve protein band with a mobility of between 170 and 118 kDa. Chondroitin Sulfates 36-57 myomesin 2 Homo sapiens 14-23