Vaccinia Virus B18R / B19R Recombinant Protein (His Tag)

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SKU:
RPES7006
Product Type:
Recombinant Protein
Species:
Virus
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Description

Product Name:Vaccinia Virus B18R / B19R Recombinant Protein (His Tag)
Product Code:RPES7006
Size:100µg
Species:Vaccinia Virus
Expression Host:Baculovirus-Insect Cells
Mol Mass:39.8KDa
AP Mol Mass:46 kDa
Tag:C-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-Glu351
Accession:P25213
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 sterile PBS, 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 manual.
Reconstitution:Please refer to the printed manual for detailed information.
Background:B18R is a type I interferon (IFN)-binding protein, which is encoded by the B18R open reading frame in the WR (WesternReserve)strain of vaccinia virus. Itis alsoknownasB19RintheCopenhagenstrainofVaccinia. B18R exists in a soluble and a membrane-bound form. As a type I IFN receptor, B18R has a broad species specificity. It has high affinity for human IFN-alpha and also binds rabbit, bovine, rat, pig, and mouse IFN-alpha and IFN-beta. It has been shown that secreted B18R binds to uninfected and infected cells. It presents at the cell surface and protects cells from the antiviral state induced by IFN-alpha and IFN-beta. Binding of soluble recombinant B18R protects cultured cells from IFN and allows vaccinia virus replication.
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