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ACROBiosystems Biotinylated Human CTLA-4 Protein, His, Avitag™
Biotinylated Protein
Brand: ACROBiosystems CT4-H82E1-200UG
Additional Details : Weight : 0.00001kg
Description
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.
This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag. The protein has a calculated MW of 17.2 kDa. The protein migrates as 22-30 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.Specifications
| NP_005205.2 | |
| 200 μg | |
| Ala 37 - Phe 162 | |
| CTLA4,CD152 | |
| Precision Avi | |
| His Tag and Avi Tag | |
| Less than 1.0 EU / μg by the LAL method. | |
| Powder | |
| >95% as determined by SDS-PAGE |
| 17.2 kDa | |
| Biotinylated Human CTLA-4, His,Avitag (CT4-H82E1) is expressed from human 293 cells (HEK293). It contains AA Ala 37 - Phe 162 (Accession # Q6GR94-1). | |
| -20°C | |
| CTLA-4 | |
| Human | |
| PBS, pH7.4 | |
| HEK293 | |
| MABSol™ Biotin Labeled Proteins |