Recombinant Mouse Ctla4 Protein(His Tag) (PDMM100100)
For research use only.
| Synonyms | ALPS5, CD 152, CD, CD152, CD152 antigen, CD152 isoform, Celiac disease 3, CELIAC3, CTLA 4, CTLA-4, CTLA4, CTLA4, Cytotoxic T cell associated 4, Cytotoxic T lymphocyte antigen 4, Cytotoxic T lymphocyte associated 4, Cytotoxic T lymphocyte associated 4, soluble isoform, included, Cytotoxic T lymphocyte associated antigen 4, Cytotoxic T lymphocyte associated antigen 4 short spliced form, Cytotoxic T lymphocyte associated protein 4, Cytotoxic T lymphocyte associated serine esterase 4, Cytotoxic T lymphocyte protein 4, Cytotoxic T-lymphocyte protein 4, Cytotoxic T-lymphocyte-associated antigen 4, GRD4, GSE, ICOS, IDDM12, insulin-dependent diabetes mellitus 12, Ligand and transmembrane spliced cytotoxic T lymphocyte associated antigen 4, OTTHUMP00000216623 |
| Species | Mouse |
| Expression Host | Mammalian |
| Sequence | Glu36-Asp161 |
| Accession | P09793 |
| Calculated Molecular Weight | 13.8 kDa |
| Observed Molecular Weight | 20-30 kDa |
| Tag | C-His |
| Bio-activity | Not validated for activity |
| Purity | > 90% as determined by reducing SDS-PAGE. |
| Endotoxin | < 1.0 EU/mg of the protein as determined by the LAL method |
| Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
| Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
| Formulation | Lyophilized from a 0.2 μm filtered solution in PBS with 5% Trehalose and 5% Mannitol. |
| Reconstitution | It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis. |
| Background | Cytotoxic T-lymphocyte protein 4, also known as CTLA4 and CD152, is a single-pass type I membrane protein and a member of the immunoglobulin superfamily. It is the second member of the CD28 receptor family. The ligands or counterreceptors for these two proteins are the B7 family members, CD80 (B7-1) and CD86 (B7-2). 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. CD152 or cytotoxic T lymphocyte antigen-4 (CTLA-4) is an essential receptor involved in the negative regulation of T cell activation. Because of its profound inhibitory role, CD152 has been considered a sound susceptible candidate in autoimmunity and a persuasive target for cancer immunotherapy. In particular, recent evidence suggests that CD152 is also important in the homeostasis and function of a population of suppressive cells, termed regulatory T cells (Treg). |
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