{"product_id":"recombinant-human-cd28-protein-higg1-fc-tag","title":"Recombinant Human CD28 Protein(hIgG1 Fc Tag)","description":"\u003cp\u003e\u003cb\u003eSize\u003c\/b\u003e:100μg\u003c\/p\u003e\u003cp\u003e\u003cb\u003eStorage\u003c\/b\u003e:Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at \u0026lt; -20℃ for 3 months.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eShipping\u003c\/b\u003e:This product is provided as lyophilized powder which is shipped with ice packs.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eExp date\u003c\/b\u003e:12 months\u003c\/p\u003e\u003cp\u003e\u003cb\u003eCategory ID_II\u003c\/b\u003e:Recombinant Proteins\u003c\/p\u003e\u003cp\u003e\u003cb\u003eCategory ID_III\u003c\/b\u003e:Immune Checkpoint Proteins\u003c\/p\u003e\u003cp\u003e\u003cb\u003eAbbreviation\u003c\/b\u003e:CD28\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTarget Synonym\u003c\/b\u003e:PAS;T-cell-specific surface glycoprotein CD;CD28;Tp44;CD28 antigen;CD28 molecule;GPSAT;GYPA;HGpMiX;MNS;PAS2;T-cell-specific surface glycoprotein CD28;T44\u003c\/p\u003e\u003cp\u003e\u003cb\u003eResearch Areas\u003c\/b\u003e:Immunology;Signal Transduction;Cancer\u003c\/p\u003e\u003cp\u003e\u003cb\u003eConjugation\u003c\/b\u003e:\u003c\/p\u003e\u003cp\u003e\u003cb\u003eTarget Species\u003c\/b\u003e:Human\u003c\/p\u003e\u003cp\u003e\u003cb\u003eExpression Host\u003c\/b\u003e:Mammalian\u003c\/p\u003e\u003cp\u003e\u003cb\u003eApplication\u003c\/b\u003e:\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFusion tag\u003c\/b\u003e:C-hIgG1 Fc\u003c\/p\u003e\u003cp\u003e\u003cb\u003eUNIProt ID\u003c\/b\u003e:P10747-1\u003c\/p\u003e\u003cp\u003e\u003cb\u003eAccession\u003c\/b\u003e:P10747-1\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBackground\u003c\/b\u003e:CD28 (Cluster of Differentiation 28) is a disulphide-bonded glycoprotein belonging to the immunoglobulin (Ig) superfamily, and structurally consists of a single Ig V-like extracellular domain, a transmembrane domain and an intracellular domain. Mouse CD28 is constitutively expressed on the surface of all murine T cells and on developing thymocytes as disulfide-linked homodimers or as monomers. CD28 can binds the B7-1 and B7-2 ligand, and together perform important functions in the T and B cell response pathways. B7\/CD28 family members, which can augment or antagonize T-cell receptor signaling, in the regulation of central and peripheral T-cell tolerance. CD28 is thus involved in T-cell activation, the induction of cell proliferation and cytokine production and promotion of T-cell survival.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eConcentration\u003c\/b\u003e:\u003c\/p\u003e\u003cp\u003e\u003cb\u003eActivity\u003c\/b\u003e:Not validated for activity\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSequence\u003c\/b\u003e:Asn19-Pro152\u003c\/p\u003e\u003cp\u003e\u003cb\u003ePurity\u003c\/b\u003e:\u0026gt; 95% as determined by reducing SDS-PAGE.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFormulation\u003c\/b\u003e:Lyophilized from a 0.2 μm filtered solution in PBS with 5% Trehalose and 5% Mannitol.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eReconstitution\u003c\/b\u003e:It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg\/mL. Concentration is measured by UV-Vis\u003c\/p\u003e\u003cp\u003e\u003cb\u003eEndotoxin\u003c\/b\u003e:\u0026lt; 1.0 EU\/mg of the protein as determined by the LAL method\u003c\/p\u003e\u003cp\u003e\u003cb\u003eCalculated MW\u003c\/b\u003e:39.6 kDa\u003c\/p\u003e\u003cp\u003e\u003cb\u003eObservedMW\u003c\/b\u003e:55-70 kDa\u003c\/p\u003e","brand":"GeneBio Systems","offers":[{"title":"Default Title","offer_id":48644191518820,"sku":"PDMH100448","price":1017.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/8588\/9636\/files\/no_image_default_image-jpeg_9f5da17f-44cb-42c0-9b66-09ef1969398e.jpg?v=1782617253","url":"https:\/\/www.genebiosystems.com\/en-us\/products\/recombinant-human-cd28-protein-higg1-fc-tag","provider":"GeneBio ","version":"1.0","type":"link"}