CTLA-4/CD152 Recombinant Protein | CTLA-4 recombinant protein
Recombinant Mouse CTLA-4/CD152 Protein
After reconstitution, the protein solution is stable at -20 degree C for 3 months, at 2-8 degree C for up to 1 week.
Background: Mouse Cytotoxic Tlymphocyte 4(CTLA-4,CD152), is a type I transmembrane T cell inhibitory molecule. Withinthe ECD, Mouse CTLA-4 shares 68% aa sequence identity with human. CTLA4 is similar to the T cellcostimulatory protein CD28 since both of the molecules bind to CD80 and CD86 on antigen-presenting cells.CTLA4 transmits an inhibitory signal to T cells, whereas CD28 transmits a stimulatory signal. Intracellular CTLA4is also found inregulatory T cells and may play an important role in their functions. T cell activation through theT cell receptor and CD28 leads to increased expression of CTLA4. Genetic variations of CTLA4 have beenassociated with susceptibility to systemic lupus erythematosus(SLE), Gravesdisease(GRD), Celiac diseasetype3(CELIAC3) and Hepatitis B virus infection(HBVinfection).
NCBI and Uniprot Product Information
NCBI Description
This gene is a member of the immunoglobulin superfamily, and encodes a protein that functions as a negative regulator of T-cell responses. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Aug 2013]
Uniprot Description
CTLA-4: 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. Genetic variation in CTLA4 influences susceptibility to systemic lupus erythematosus (SLE). SLE is a chronic, inflammatory and often febrile multisystemic disorder of connective tissue. It affects principally the skin, joints, kidneys and serosal membranes. SLE is thought to represent a failure of the regulatory mechanisms of the autoimmune system. Genetic variations in CTLA4 may influence susceptibility to Graves disease, an autoimmune disorder associated with overactivity of the thyroid gland and hyperthyroidism. Genetic variation in CTLA4 is the cause of susceptibility to diabetes mellitus insulin-dependent type 12 (IDDM12). A multifactorial disorder of glucose homeostasis that is characterized by susceptibility to ketoacidosis in the absence of insulin therapy. Clinical fetaures are polydipsia, polyphagia and polyuria which result from hyperglycemia-induced osmotic diuresis and secondary thirst. These derangements result in long-term complications that affect the eyes, kidneys, nerves, and blood vessels. Genetic variation in CTLA4 is the cause of susceptibility to celiac disease type 3 (CELIAC3). It is a multifactorial disorder of the small intestine that is influenced by both environmental and genetic factors. It is characterized by malabsorption resulting from inflammatory injury to the mucosa of the small intestine after the ingestion of wheat gluten or related rye and barley proteins. In its classic form, celiac disease is characterized in children by malabsorption and failure to thrive. 4 isoforms of the human protein are produced by alternative splicing.
Protein type: Immunoglobulin superfamily; Membrane protein, integral
Cellular Component: Golgi apparatus; membrane; perinuclear region of cytoplasm; plasma membrane; integral to membrane; clathrin-coated endocytic vesicle; external side of plasma membrane
Biological Process: B cell receptor signaling pathway; negative regulation of T cell proliferation; positive regulation of apoptosis; immune system process; negative regulation of regulatory T cell differentiation; negative regulation of immune response; immune response; negative regulation of B cell proliferation; response to DNA damage stimulus
Research Articles on CTLA-4
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Product Notes
The CTLA-4 ctla4 (Catalog #AAA9140186) is a Recombinant Protein produced from Human Cells and is intended for research purposes only. The product is available for immediate purchase. The amino acid sequence is listed below: AIQVTQPSVV LASSHGVASF PCEYSPSHNT DEVRVTVLRQ TNDQMTEVCA TTFTEKNTVG FLDYPFCSGT FNESRVNLTI QGLRAVDTGL YLCKVELMYP PPYFVGMGNG TQIYVIDPEP CPDSD. It is sometimes possible for the material contained within the vial of "CTLA-4/CD152, Recombinant Protein" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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