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B7-H4 Protein, Human, Recombinant (His), Biotinylated
(Synonyms: V-set domain containing T cell activation inhibitor 1, VCTN1, PRO1291, B7X, B7S1, B7-H4, B7H4, B7h.5) Copy Product InfoSynonyms: V-set domain containing T cell activation inhibitor 1, VCTN1, PRO1291, B7X, B7S1, B7-H4, B7H4, B7h.5
Catalog No. TMPY-05281 Copy Product Info
B7-H4 Protein, Human, Recombinant (His), Biotinylated is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 26.8 kDa and the accession number is Q7Z7D3-1.
| Pack Size | Price | USA Stock | Global Stock | Quantity |
|---|---|---|---|---|
| 5 µg | $112 | 7-10 days | 7-10 days | |
| 10 µg | $183 | 7-10 days | 7-10 days | |
| 20 µg | $306 | 7-10 days | 7-10 days | |
| 50 µg | $492 | 7-10 days | 7-10 days | |
| 100 µg | $842 | 7-10 days | 7-10 days |
For In stock only · Estimated delivery: USA Stock (1-2 days) Global Stock (5-7 days)
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For research use only—not for human use. No sales to individuals. Use as intended only.
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Product Information
Bioactivity
Chemical Properties
Storage & Solubility Information
| Bioactivity | Activity testing is in progress. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first. |
| Description | B7-H4 Protein, Human, Recombinant (His), Biotinylated 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 System | HEK293 Cells |
| Tag | C-His |
| Accession Number | Q7Z7D3-1 |
| Construction | A DNA sequence encoding the human VTCN1(Q7Z7D3-1) (Phe29-Ala258) with a C-terminal polyhistidine tag was expressed. The purified protein was biotinylated in vitro. Predicted N terminal: Phe 29 |
| Protein Purity | > 95 % as determined by SDS-PAGE. |
| 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. |
| Synonyms | V-set domain containing T cell activation inhibitor 1, VCTN1, PRO1291, B7X, B7S1, B7-H4, B7H4, B7h.5 |
| 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 |
| Molecular Weight | 26.8 kDa (predicted) |
| Shipping | In general, lyophilized powders are shipped with blue ice, while solutions are shipped with dry ice. |
| 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. |
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Related Tags: B7-H4 Protein, Human, Recombinant (His), Biotinylated chemical structure | B7-H4 Protein, Human, Recombinant (His), Biotinylated molecular weight
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