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Human CD152 Protein, Fc Tag, Avi Tag

Human CD152 Protein, Fc Tag, Avi Tag

产品编号

KMP2303

别名

细胞毒T淋巴细胞相关抗原, Cytotoxic T-lymphocyte protein 4, CD152

规格
  • 50ug
  • 100ug
  • 200ug
产品介绍
Alias细胞毒T淋巴细胞相关抗原, Cytotoxic T-lymphocyte protein 4, CD152
Catalog NumberKMP2303
Product DescriptionThe Human CD152 Protein(KMP2303) is produced in HEK293 Cells and the target gene encoding Lys36-Asp161 is expressed with a Fc, Avi tag at the C-terminus.
Molecular NameCD152
SpeciesHuman
HostHEK293 Cells
Size50ug, 100ug, 200ug
Purity>95% as determined by SDS-PAGE
PurificationAffinity purification
Endotoxin<1.0 EU/ug determined by the LAL method
FormulationPBS, pH7.4
BackgroundCytotoxic T-lymphocyte protein 4, is a single-pass type I membrane protein. 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.
SDS-PAGE
Predicted Molecular Weight13.5 kDa
Storage ConditionAliquot and store at -20℃ to -80℃. Avoid repeated freezing and thawing cycles.
Shipping ConditionIn general, the proteins are provided as lyophilized powder which are shipped at ambient temperature. They are shipped out in dry ice if supplied in liquid form.
Uniprot IDP16410
References1.Annu. Rev. Immunol. 24:65-97 (2006) 2.J. Exp. Med. 174:561-569 (1991)
FunctionInhibitory receptor acting as a major negative regulator of T-cell responses. The affinity of CTLA4 for its natural B7 family ligands, CD80 and CD86, is considerably stronger than the affinity of their cognate stimulatory coreceptor CD28.

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