Recombinant Human CD80, Fc-tagged

• Cat.No.: CD80-148H
• Product Overview: The extracellular domain of human CD80 (aa 35-242) is fused to the N-terminus of the Fc region of human IgG1.

Specification

• Description: CD80 (B7-1) and CD86 (B7-2) together with their receptors CD28 and CTLA-4 constitute one of the dominant costimulatory pathways that regulate T cell and B cell responses. Although both CTLA-4 and CD28 can bind to the same ligands, CTLA-4 binds to B7-1 and B7-2 with a 20-100 fold higher affinity than CD28 and is involved in the down-regulation of the immune response. B7-1 is expressed on activated B cells, activated T cells and macrophages. B7-2 is constitutively expressed on interdigitating dendritic cells, Langerhans cells, peripheral blood dendritic cells, memory B cells, and germinal center B cells. Additionally, B7-2 is expressed at low levels on monocytes and can be up-regulated through interferon-γ. B7-1 and B7-2 are both members of the immunoglobulin superfamily. It has been observed that both human and mouse B7-1 and B7-2 can bind to either human or mouse CD28 and CTLA-4, suggesting that there are conserved amino acids which form the B7-1/B7-2/CD28/CTLA-4 critical binding sites.
• Source: CHO Cells
• Species: Human
• Tag: Fc
• Form: Lyophilized from 0.2μm-filtered solution in PBS.
• Purity: ≥98% (SDS-PAGE)
• Stability: Stable for at least 1 year after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C.
• Storage: Short Term Storage: +4°C; Long Term Storage: -20°C. Avoid freeze/thaw cycles.
• Protein length: 35-242 a.a.

Gene Information

• Gene Name: CD80 CD80 molecule [ Homo sapiens ]
• Official Symbol: CD80
• Synonyms: CD80; CD80 molecule; CD28LG, CD28LG1, CD80 antigen (CD28 antigen ligand 1, B7 1 antigen) , CD80 molecule; T-lymphocyte activation antigen CD80; B lymphocyte activation antigen B7; B7 1; B7.1; activation B7-1 antigen; costimulatory factor CD80; CTLA-4 counter-receptor B7.1; B-lymphocyte activation antigen B7; costimulatory molecule variant IgV-CD80; CD80 antigen (CD28 antigen ligand 1, B7-1 antigen); B7; BB1; B7-1; LAB7; CD28LG; CD28LG1
• Gene ID: 941
• mRNA Refseq: NM_005191
• Protein Refseq: NP_005182
• MIM: 112203
• UniProt ID: P33681
• Chromosome Location: 3q13.3-q21
• Pathway: Adaptive Immune System, organism-specific biosystem; Allograft rejection, organism-specific biosystem; Allograft rejection, conserved biosystem; Autoimmune thyroid disease, organism-specific biosystem; Autoimmune thyroid disease, conserved biosystem; CD28 co-stimulation, organism-specific biosystem; CD28 dependent PI3K/Akt signaling, organism-specific biosystem
• Function: coreceptor activity; protein binding; receptor activity