Osteoprotegerin Protein, Human, Recombinant (His)

Catalog No. TMPY-01724

Osteoprotegerin Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 45.3 kDa and the accession number is O00300.

Osteoprotegerin Protein, Human, Recombinant (His)

Catalog No. TMPY-01724

Osteoprotegerin Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 45.3 kDa and the accession number is O00300.

Pack Size	Price	Availability	Quantity
100 μg	$398	7-10 days
1 mg	$2,590	7-10 days

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Product Information

Biological Activity	Immobilized Osteoprotegerin Protein, Human, Recombinant (His Tag) at 2 μg/mL (100 μL/well) can bind RANKL Protein, Human, Recombinant (ECD, hFc Tag), the EC50 is 13-64 ng/mL.
Description	Osteoprotegerin Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 45.3 kDa and the accession number is O00300.
Species	Human
Expression System	HEK293 Cells
Tag	C-His
Accession Number	O00300
Synonyms	tumor necrosis factor receptor superfamily member 11b,TR1,PDB5,OPG,OCIF,MGC29565
Construction	A DNA sequence encoding the human TNFRSF11B (NP_002537.3) (Met 1-Leu 401) was fused with a polyhistidine tag at the C-terminus. Predicted N terminal: Glu 22
Protein Purity	> 97 % as determined by SDS-PAGE
Molecular Weight	45.3 kDa (predicted); 55 kDa (reducing condition, due to glycosylation)
Endotoxin	< 1.0 EU/μg of the protein as determined by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.4. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice.
Research Background	Osteoprotegerin or TNFRSF11B is a member of the TNF-receptor superfamily. This protein is an osteoblast-secreted decoy receptor that functions as a negative regulator of bone resorption. This protein specifically binds to its ligand, osteoprotegerin ligand, both of which are key extracellular regulators of osteoclast development. Studies of the mouse counterpart also suggest that this protein and its ligand play a role in lymph-node organogenesis and vascular calcification. Alternatively spliced transcript variants of this gene have been reported, but their full length nature has not been determined. Osteoprotegerin/TNFRSF11B acts as decoy receptor for RANKL and thereby neutralizes its function in osteoclastogenesis. This protein may inhibit the activation of osteoclasts and promotes osteoclast apoptosis in vitro. Bone homeostasis seems to depend on the local RANKL/OPG ratio. Osteoprotegerin/TNFRSF11B also play a role in preventing arterial calcification, act as decoy receptor for TRAIL and protect against apoptosis. TRAIL binding blocks the inhibition of osteoclastogenesis.