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Human PBEF/NAMPT Recombinant Protein (His Tag)

SKU:
RPES5279
Product Type:
Recombinant Protein
Species:
Human
$179
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Description

Product Name:Human PBEF/NAMPT Recombinant Protein (His Tag)
Product Code:RPES5279
Size:20µg
Species:Human
Expression Host:E.coli
Synonyms:Pre-B cell-enhancing factor, Nicotinamide phosphoribosyltransferase, NAmPRTase, Nampt, Pre-B-cell colony-enhancing factor 1, Visfatin, NAMPT, PBEF, PBEF1
Mol Mass:57 kDa
AP Mol Mass:55 kDa
Tag:N-His
Purity:> 90 % as determined by reducing SDS-PAGE.
Endotoxin Level:< 1.0 EU per μg of the protein as determined by the LAL method.
Bio Activity:Testing in progress
Sequence:Met1-His491
Accession:P43490
Storage:Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C 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 20mM PB, 150mM NaCl, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed man
Reconstitution:Please refer to the printed manual for detailed information.
Background:Pre-B cell colony enhancing factor (PBEF) was originally identified as a cytokine that potentiated the clonal expansion and differentiation of pre-B cells; but it is also acknowledged to be the ubiquitous intracellular enzyme nicotinamide phosphoribosyltranferase (NAMPT) and the adipokine “visfatin”. PBEF is constitutively expressed in the fetal membranes where its greatest expression is in the amnion. It has intracellular and extracellular forms. Most of the intracellular functions of PBEF are due to its role as a Nampt which can induce angiogenesis through upregulation of VEGF and VEGFR and secretion of MCP-1. Extracellular PBEF has been shown to increase inflammatory cytokines; such as TNF-α; IL-1β; IL-16; and TGF-β1. PBEF also increases the production of IL-6; TNF-α; and IL-1β in CD14+ monocyctes; macrophages; and dendritic cells; enhances the effectiveness of T cells.

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