CTLA4 Human Recombinant Protein
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Specifications
Product Data | |
Species | Human |
Protein Source | Human |
Expression cDNA Clone or AA Sequence |
Lys36-Asp161
|
Tag | C-GST |
Buffer | Lyophilized from a 0.2 um filtered solution of PBS, pH 7.4. |
Note | Recombinant Human Cytotoxic T-lymphocyte Protein 4 is produced by our Mammalian expression system and the target gene encoding Lys36-Asp161 is expressed with a GST tag at the C-terminus. |
Storage | Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months. |
Stability | 12 months from date of despatch |
Reference Data | |
Locus ID | 1493 |
UniProt ID | P16410 |
Synonyms | Cytotoxic T-lymphocyte protein 4, Cytotoxic T-lymphocyte-associated antigen 4, CTLA-4, CD152, CTLA4 |
Summary | Cytotoxic Tlymphocyte 4(CTLA-4,CD152), is a type I transmembrane T cell inhibitory molecule that is a member of the Ig superfamily. Human or mouse CTLA4 cDNA encodes 223 amino acids (aa) including a 35 aa signal sequence, a 126 aa extracellular domain (ECD) with one Ig-like V-type domain, a 21 aa transmembrane (TM) sequence, and a 41 aa cytoplasmic sequence.It is widely expressed with highest levels in lymphoid tissues. CD28 and CTLA-4, together with their ligands, B7-1 and B7-2, constitute one of the dominant costimulatory pathways that regulate T and B cell responses. CD28 and CTLA-4 are structurally homologous molecules that are members of the immunoglobulin (Ig) gene superfamily. CTLA4 transmits an inhibitory signal to T cells, whereas CD28 transmits a stimulatory signal. Intracellular CTLA4 is also found in regulatory T Cells and may play an important role in their functions. Tcell activation through the Tcell receptor and CD28 leads to increased expression of CTLA4. |
Protein Families | Druggable Genome, Transmembrane |
Protein Pathways | Autoimmune thyroid disease, Cell adhesion molecules (CAMs), T cell receptor signaling pathway |
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in shipping.