PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10849386-2 2000 Kx is disulphide bond linked to the Kell glycoprotein, which is a bitopic type II membrane protein carrying the Kell blood group antigen. disulphide 6-16 Kell metallo-endopeptidase (Kell blood group) Homo sapiens 112-136