Human CellExp™ CD80, human recombinant
- Usually Shipped in 5 Working Days
- Storage Temperature:
- Shipping Conditions:
- Gel Pack
- Shelf Life:
- 12 months
Synonyms: CD80, B7, B7-1, B7.1, BB1, CD28LG, CD28LG1, LAB7
Alternates names: CD80, B7, B7-1, B7.1, BB1, CD28LG, CD28LG1, LAB7
Taglines: Plays a role in induction of innate immune responses by activating NF-κB-signaling pathway in macrophages
Country of Animal Origin: USA
NCBI Gene ID #.: 941
NCBI Gene Symbol: CD80
Gene Source: Human
Accession #: P33681
Source: HEK293 cells
Purity by SDS-PAGE #: ≥95%
Assay #2: N/A
Endotoxin Level: <1 EU/μg by LAL method
Activity (Specifications/test method): N/A
Biological activity: Measured by its ability to induce IL2 secretion by Jurkat human acute T cell leukemia cells. The ED50 for this effect is typically 0.01 - 0.1 µg/mL in the presence of phytohaemagglutinin.
Results: Measured by its ability to induce IL2 secretion by Jurkat human acute T cell leukemia cells. The ED50 for this effect is typically 0.01 - 0.1 µg/mL in the presence of phytohaemagglutinin.
Binding Capacity: N/A
Unit Definition: N/A
Molecular Weight: This protein is fused with 6×His tag at the C-terminus, has a calculated MW of 24.7 kDa. The predicted N-terminus is Val 35. DTT-reduced Protein migrates as 45-75 kDa due to different glycosylation.
Physical form description: Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Generally 5-8% Mannitol or trehalose is added as a protectant before lyophilization.
Reconstitution Instructions: Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 µg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.
Background Information: B7-1 and B7-2, together with their receptors CD28 and CTLA4, constitute one of the dominant co-stimulatory pathways that regulate T and Bcell responses. Although both CTLA4 and CD28 can bind to the same ligands, CTLA4 binds to B71 and B72 with a 20 100 fold higher affinity than CD28 and is involved in the downregulation of the immune response. B-lymphocyte activation antigen B7-1 (referred to as B7) also known as cluster of Differentiation 80 (CD80), is a member of cell surface immunoglobulin superfamily and is expressed on activated B cells, activated T cells, macrophages and dendritic cells. It is the ligand for two different proteins on the T cell surface: CD28 (for autoregulation and intercellular association) and CTLA-4 (for attenuation of regulation and cellular disassociation). CD80 works in tandem with CD86 to prime T cells. CD80 plays a role in induction of innate immune responses by activating NF-κB-signaling pathway in macrophages. CD80 is thus regarded as promising therapeutic targets for autoimmune diseases and various carcinomas.
Amino acid sequence: N/A
Handling: Centrifuge the vial prior to opening.
Usage: For Research Use Only! Not to be used in humans