ArtNr |
CT4-C5227-1mg |
Hersteller |
ACROBiosystems
|
Menge |
1 mg |
Kategorie |
|
Typ |
Proteins Recombinant |
Format |
Powder |
Specific against |
Monkey, Rhesus macaque |
Host |
HEK293 |
Konjugat/Tag |
Unconjugated, HIS |
Purity |
95% |
Citations |
(1) Waterhouse P, et al., 1995, Science 270 (5238): 985-8. (2) Magistrelli G, et al., 1999. Eur. J. Immunol. 29 (11): 3596-602. (3) Rudd, CE. et al., 2009, Immunol. Rev. 229 (1): 12-26. |
ECLASS 10.1 |
32160409 |
ECLASS 11.0 |
32160409 |
UNSPSC |
12352202 |
Alias |
CTLA4,CD152 |
Lieferbar |
|
Manufacturers Category |
Protein / Immune Checkpoint Proteins |
Description |
Cynomolgus / Rhesus macaque CTLA-4, His Tag (CT4-C5227) is expressed from human 293 cells (HEK293). It contains AA Ala 37 - Ser 160 (Accession # G7PL88-1). In the region Ala 37 - Ser 160, the AA sequence of Cynomolgus and Rhesus macaque CTLA-4 are homologus. |
Molecule |
CTLA-4 |
Exp Region |
Ala 37 - Ser 160 |
Storage |
-20℃ |
Shipping |
RT |
Stability |
-20°C to -70°C for 12 months in lyophilized state; -70°C for 3 months under sterile conditions after reconstitution.
For long term storage, the product should be stored at lyophilized state at -20°C or lower. |
Molecular Weight |
14.1 kDa |
Characteristics |
This protein carries a polyhistidine tag at the C-terminus. The protein has a calculated MW of 14.1 kDa. The protein migrates as 19-24 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation. |
Endotoxin |
1.0 EU per μg |
Buffer |
PBS, pH7.4 |
Background |
CTLA-4 (Cytotoxic T-Lymphocyte Antigen 4) is also known as CD152 (Cluster of differentiation 152), is a protein receptor that downregulates the immune system. CTLA4 is a member of the immunoglobulin superfamily, which is expressed on the surface of Helper T cells and transmits an inhibitory signal to T cells. The protein contains an extracellular V domain, a transmembrane domain, and a cytoplasmic tail. Alternate splice variants, encoding different isoforms. CTLA4 is similar to the T-cell co-stimulatory protein, CD28, and both molecules bind to CD80 and CD86, also called B7-1 and B7-2 respectively, on antigen-presenting cells. 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 be important to their function. Fusion proteins of CTLA4 and antibodies (CTLA4-Ig) have been used in clinical trials for rheumatoid arthritis. |
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