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Recombinant Mouse Osteoprotegerin/TNFRSF11B Protein (His Tag)

  • Cat.No.:PKSM041265

  • Expression host: Human Cells

To Purchase PKSM041265

  • 10μg
  • 50μg
Price: $111


Synonyms Tumor necrosis factor receptor superfamily member 11B; Osteoclastogenesis inhibitory factor; Osteoprotegerin; Tnfrsf11b; Ocif; Opg;TR1
Species Mouse
Expression_host Human Cells
Sequence Glu22-Leu401
Accession O08712
Mol_Mass 45.1 kDa
AP_Mol_Mass 50-55 kDa
Tag C-His


Purity > 95% as determined by reducing SDS-PAGE.
Endotoxin level < 1.0 EU per μg as determined by the LAL method.
Storage Lyophilized protein should be stored at < -20℃, though stable at room temperature for 3 weeks.Reconstituted protein solution can be stored at 4-7℃ for 2-7 days.Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
Shipping This product is provided as lyophilized powder which is shipped with ice packs.
Formulation Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4.
Reconstitution Please refer to the printed manual for detailed information.


Osteoprotegerin (OPG, Tnfrsf11b) is a secreted protein that regulates bone density. OPG is widely expressed and constitutively released as a homodimer by mesenchymal stem cells, fibroblasts and endothelial cells. Regulation of its expression by estrogen, parathyroid hormone and cytokines is complex and changes with age. OPG acts as decoy receptor for TNFSF11/RANKL and thereby neutralizes its function in osteoclastogenesis. TRAIL decreases the release of OPG from cells that express it, while OPG inhibits TRAIL-induced apoptosis. Expression of RANK L on the cell surface, and thus its ability to stimulate osteoclastogenesis, is regulated by OPG by intracellular and extracellular mechanisms. Bone homeostasis seems to depend on the local ratio between TNFSF11 and TNFRSF11B. It may also play a role in preventing arterial calcification.

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