B7-H4 Protein, Human, Recombinant (His)

B7-H4 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 26.8 kDa and the accession number is Q7Z7D3-1.

B7-H4 Protein, Human, Recombinant (His)

パッケージサイズ	在庫状況	単価(税別)
100 μg	在庫あり	￥ 88,500
200 μg	約5 days	￥ 156,500
500 μg	約5 days	￥ 330,500

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生物学的情報	Immobilized Recombinant Human B7-H4 / B7S1 / B7x Protein (His Tag) at 2 μg/mL (100 μL/well) can bind B7-H4 / B7S1 / B7x, Rabbit Pab , the EC50 is 1.5-4 ng/mL.
説明	B7-H4 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 26.8 kDa and the accession number is Q7Z7D3-1.

Species	Human
Expression Host	HEK293
Tag	His
Accession Number	Q7Z7D3-1
別名	PRO1291, B7X, B7H4, B7-H4, VCTN1, B7S1, B7h.5, V-set domain containing T cell activation inhibitor 1
Construction	A DNA sequence encoding the human VTCN1 (Q7Z7D3-1) (Phe29-Ala258) with a C-terminal polyhistidine tag was expressed.
Protein Purity	> 95 % as determined by SDS-PAGE. >90% as determined by SEC-HPLC
分子量	26.8 kDa (predicted)

Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method.
Formulation	Lyophilized from sterile PBS, pH 7.4. Please contact us for any concerns or special requirements. Normally 5 % - 8 % trehalose, mannitol and 0. 01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hard copy of CoA.
Reconstitution	A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
Stability & Storage	Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Shipping	In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Research Background	V-set domain-containing T-cell activation inhibitor 1, also known as B7X, B7H4, B7S1, and VTCN1, is a single-pass type-III membrane protein belonging to the B7 family of costimulatory proteins. These proteins are expressed on the surface of antigen-presenting cells and interact with ligands on T lymphocytes. They provide costimulatory signals that regulate T cell responses. A soluble form of B7H4 has also been detected. B7X / VTCN1 / B7H4 negatively regulates T-cell-mediated immune response by inhibiting T-cell activation, proliferation, cytokine production and development of cytotoxicity. When expressed on the cell surface of tumor macrophages, B7X / VTCN1 / B7H4 plays an important role, together with regulatory T-cells(Treg), in the suppression of tumor-associated antigen-specific T-cell immunity. B7X / VTCN1 / B7H4 is also involved in promoting epithelial cell transformation. This membrane protein can be up-regulated by IL6 / interleukin-6 and IL10 / interleukin-10 and inhibited by CSF2 / GM-CSF and IL4 / interleukin-4 on antigen-presenting cells.Cancer ImmunotherapyCo-inhibitory Immune Checkpoint TargetsImmune CheckpointImmune Checkpoint Detection: AntibodiesImmune Checkpoint Detection: ELISA AntibodiesImmune Checkpoint Detection: IHC AntibodiesImmune Checkpoint ProteinsImmune Checkpoint TargetsImmunotherapyTargeted Therapy

参考文献

1. Zang X,et al.(2003) B7x: a widely expressed B7 family member that inhibits T cell activation. Proc Natl Acad Sci U S A. 100(18): 10388-92. 2. Suh WK,et al.(2006) Generation and characterization of B7-H4/B7S1/B7x-deficient mice. Mol Cell Biol. 26(17): 6403-11. 3. Zang X,et al.(2007) B7-H3 and B7x are highly expressed in human prostate cancer and associated with disease spread and poor outcome. Proc Natl Acad Sci U S A. 104(49):19458-63.

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B7-H4 Protein, Human, Recombinant (His)

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