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Rat CTLA-4 / CD152 Protein (ECD, His tag) – PKSR030417

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Recombinant Rat CTLA-4 / CD152 Protein (ECD, His tag)

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).


Synonym(s) : CTLA-4


Species(s) : Rat


Protein Expression Host : Human Cells


Protein Construction : A DNA sequence encoding the rat Ctla4 (NP_113862.1) (Met1-Asp161) was expressed with a polyhistidine tag at the C-terminus.


Predicted N-terminal amino acid : Glu 36


Molecular weight/mass : The recombinant rat Ctla4 consists 137 amino acids and predicts a molecular mass of 15.2 kDa.


Protein Construction : A DNA sequence encoding the rat Ctla4 (NP_113862.1) (Met1-Asp161) was expressed with a polyhistidine tag at the C-terminus.


Formulation  : Lyophilized from sterile PBS, pH 7.4


Purity : > 95 % as determined by SDS-PAGE.


Endotoxin level : <1.0 EU per μg protein as determined by the LAL method.


Stability : Samples are stable for up to twelve months from date of receipt at -70°C


Shipping conditions : In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.


Reconstitution : Please refer to the printed manual for detailed information.


Manual & Datasheet


Additional information

Format

100 ug, 200 ug

Species

Rat

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