|Application ||WB, IF, E|
|Other Accession||P42072, Q9MYX7, P09793|
|Predicted||Mouse, Pig, Rabbit|
|Calculated MW||24656 Da|
|Antigen Region||182-210 aa|
|Other Names||Cytotoxic T-lymphocyte protein 4, Cytotoxic T-lymphocyte-associated antigen 4, CTLA-4, CD152, CTLA4, CD152|
|Target/Specificity||This CTLA4 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 182-210 amino acids from the C-terminal region of human CTLA4.|
|Format||Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.|
|Storage||Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||CTLA4 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Inhibitory 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.|
|Cellular Location||Cell membrane; Single-pass type I membrane protein Note=Exists primarily an intracellular antigen whose surface expression is tightly regulated by restricted trafficking to the cell surface and rapid internalisation;|
|Tissue Location||Widely expressed with highest levels in lymphoid tissues. Detected in activated T-cells where expression levels are 30- to 50-fold less than CD28, the stimulatory coreceptor, on the cell surface following activation|
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Provided below are standard protocols that you may find useful for product applications.
CTLA4 is a member of the immunoglobulin superfamily and encodes a protein which transmits an inhibitory signal to T cells. The protein contains a V domain, a transmembrane domain, and a cytoplasmic tail. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. The membrane-bound isoform functions as a homodimer interconnected by a disulfide bond, while the soluble isoform functions as a monomer.
Mosbruger, T.L., et al. J. Infect. Dis. 201(9):1371-1380(2010)
Zhao, S.X., et al. PLoS ONE 5 (3), E9821 (2010)
Oaks, M.K., et al. Cell. Immunol. 201(2):144-153(2000)
Chikuma, S., et al. J. Cell. Biochem. 78(2):241-250(2000)
Magistrelli, G., et al. Eur. J. Immunol. 29(11):3596-3602(1999)
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