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OPG Human, His/重组人骨保护素, His 产品编号：CYT-290

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OPG Human, His/重组人骨保护素, His 产品编号：CYT-290
产品规格：10μg/50μg/1mg

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OPG Human, His/重组人骨保护素, His

产品编号：CYT-290
产品规格：10μg/50μg/1mg

Synonyms	TNFRSF11B, OPG, OCIF, Osteoclastogenesis inhibitory factor, TR1, MGC29565.
Introduction	Osteoprotegerin, which is a member of the tumor necrosis factor receptor superfamily and is involved in the regulation of bone metabolism. OPGand its ligand （OPGL） are cytokines regulating osteoclasto-genesis. OPGL binds to receptors on the surface of preosteoclasts and stimulates their differentiation into active osteoclasts. This leads to osteoresorption. OPG inhibits this osteoclasto-genesis （OPG is secreted by osteoblasts, and binds to OPGL, thus inhibiting maturation of osteoclasts and osteoresorption）. The degree and activity of osteoresorption depend mainly on the balance between OPG and its ligand （OPGL）; factors increasing OPGL expression mostly reduce OPG expression and vice versa.
Description	Recombinant Human OCIF produced in E.coli cells is a single, non-glycosylated, polypeptide chain containing amino acids 201-401 and having a molecular mass of 31 kDa which includes a 4 kDa His tag. The OPG is purified by proprietary chromatographic techniques.
Source	Escherichia Coli.
Physical Appearance	Sterile Filtered White lyophilized （freeze-dried） powder.
Formulation	The protein was lyophilized from a concentrated （1mg/ml） solution with 1X PBS, 0.1% SDS and 1mM DTT.
Solubility	It is recommended to reconstitute the lyophilized Osteoprotegerin in sterile 18MΩ-cm H2O not less than 100μg/ml, which can then be further diluted to other aqueous solutions.
Stability	Lyophilized Osteoprotegerin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution OCIF should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）. Please prevent freeze-thaw cycles.
Purity	Greater than 80.0% as determined by（a） Analysis by RP-HPLC. （b） Analysis by SDS-PAGE.
Applications	1. Positive control for Western blot. 2. Antibody production. 3. Protein assay.
Usage	Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. They may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.