Listed are ELISA Kits for the detection of osteoprotegerin, an alias name of TNF receptor superfamily member 11b. The human protein, encoded by the gene TNFRSF11B, is 401 amino acid residues long and has a mass of 46026 daltons. This protein is reported to have a secreted cellular localization. There is an observed involvement in Paget disease of bone 5, juvenile-onset. Homologs have been identified in the following species: Mouse, Rat, Zebrafish, Chicken. osteoprotegerin may also be known by other names: OCIF; TR1; osteoprotegerin; tumor necrosis factor receptor superfamily, member 11b.