{"product_id":"recombinant-human-icos-ligand-icosl-protein-his-tagactive-pksh031085","title":"Recombinant Human ICOS Ligand\/ICOSL Protein (His Tag)(Active) - PKSH031085","description":"\u003cp\u003eRecombinant Human ICOS Ligand\/ICOSL Protein (His Tag)(Active)\u003c\/p\u003e\n\n\u003cp\u003eSize: 100μg\u003c\/p\u003e\n\n\u003cp\u003eCatalogue Number: PKSH031085-100\u003c\/p\u003e\n\n\u003cp\u003eCitations, Manuals and MSDS Available upon request.\u003c\/p\u003e\n\n\u003cp\u003eAbbreviation: ICOS Ligand; ICOSL\u003c\/p\u003e\n\n\u003cp\u003eTarget Symptom: ICOS Ligand; B7 Homolog 2; B7-H2; B7-Like Protein Gl50; B7-Related Protein 1; B7RP-1; CD275; ICOSLG; B7H2; B7RP1; ICOSL; KIAA0653\u003c\/p\u003e\n\n\u003cp\u003eResearch Area: immunology\u003c\/p\u003e\n\n\u003cp\u003eTarget Species: Human\u003c\/p\u003e\n\n\u003cp\u003eExpression Host: HEK293 Cells\u003c\/p\u003e\n\n\u003cp\u003eApplication: ELISA\u003c\/p\u003e\n\n\u003cp\u003eFusion Tag: C-His\u003c\/p\u003e\n\n\u003cp\u003eAccession: NP_056074.1\u003c\/p\u003e\n\n\u003cp\u003eBackground: Inducible co-stimulator ligand (ICOSL), also known as B7-H2, is a member of the B7 family of co-stimulatory molecules related to B7-1 and B7-2. It is a transmembrane glycoprotein with extracellular IgV and IgC domains, and binds to ICOS on activated T cells, thus delivers a positive costimulatory signal for optimal T cell function. The structural features of ICOSL are crucial for its costimulatory function. Present study shows that ICOSL displays a marked oligomerization potential, resembling more like B7-1 than B7-2. B7-H2-dependent signaling may play an active role in a proliferative response rather than in cytokine and chemokine production. The CD28\/B7 and ICOS\/B7-H2 pathways are both critical for costimulating T cell immune responses. Deficiency in either pathway results in defective T cell activation, cytokine production and germinal center formation.\u003c\/p\u003e\n\n\u003cp\u003eActivity: Immobilized human B7-H2 at 1 μg\/ml (100 μl\/well) can bind human ICOS with a linear range of 1. 6-200 ng\/ml.\u003c\/p\u003e\n\n\u003cp\u003eSequence: Met 1-Ser 258\u003c\/p\u003e\n\n\u003cp\u003ePurity: \u0026gt; 98 % as determined by reducing SDS-PAGE.\u003c\/p\u003e\n\n\u003cp\u003eFormulation: Lyophilized from sterile PBS, pH 7.4\u003cbr\u003e\nNormally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.\u003cbr\u003e\nPlease refer to the specific buffer information in the printed manual.\u003c\/p\u003e\n\n\u003cp\u003eReconstitution: Please refer to the printed manual for detailed information.\u003c\/p\u003e\n\n\u003cp\u003eEndotoxin: \u0026lt; 1.0 EU per μg of the protein as determined by the LAL method.\u003c\/p\u003e\n\n\u003cp\u003eCalculated MW: 28 kDa\u003c\/p\u003e\n\n\u003cp\u003eObserved MW: 50-60 kDa\u003c\/p\u003e\n\n\u003cp\u003eStorage: 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\n\n\u003cp\u003eShipping: This product is provided as lyophilized powder which is shipped with ice packs.\u003c\/p\u003e\n\n\u003cp\u003eResearch Use Only\u003c\/p\u003e","brand":"Elabscience","offers":[{"title":"Default Title","offer_id":43104295714995,"sku":"PKSH031085-100","price":680.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/products\/logo_new_96ee8d1f-4b8b-4024-9f53-a101e5db59cc.png?v=1709293883","url":"https:\/\/afsbio.com\/products\/recombinant-human-icos-ligand-icosl-protein-his-tagactive-pksh031085","provider":"AFSBio Inc.","version":"1.0","type":"link"}