{"product_id":"abcam-ab181968","title":"Abcam, ab181968, Recombinant Human IgG4 Fc Protein, Tag Free (Active)","description":"\u003cp\u003eSize: 200µg\u003cbr\u003e\nRecombinant Human IgG4 Fc Protein, Tag Free (Active) is a Human Fragment protein, in the 99 to 327 aa range, expressed in HEK 293 cells, with \u0026gt;95%, \u0026lt; 1 EU\/µg endotoxin level, suitable for SDS-PAGE, SPR.\u003cbr\u003e\nKey facts\u003cbr\u003e\nPurity:\u0026gt;95% SDS-PAGE,\u003cbr\u003e\nEndotoxin level:\u0026lt; 1 EU\/µg,\u003cbr\u003e\nExpression system:HEK 293 cells,\u003cbr\u003e\nTags:Tag free,\u003cbr\u003e\nApplications:SPR, SDS-PAGESee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,\u003cbr\u003e\nBiologically active:Yes,\u003cbr\u003e\nBiological activity:Human FCGRT\u0026amp;B2M Heterodimer Protein, His Tag (SPR \u0026amp; BLI verified) captured on CM5 Chip via anti-His antibody can bind ab181968 with an affinity constant of 0.715 μM as determined in SPR assay (Biacore).,\u003cbr\u003e\nAccession:P01861,\u003cbr\u003e\nAnimal free:No,\u003cbr\u003e\nCarrier free:No,\u003cbr\u003e\nSpecies:Human,\u003cbr\u003e\nReconstitution:Reconstitute at 500 µg\/mL in water,\u003cbr\u003e\nStorage buffer:pH: 7.4Constituents: 6.8% Trehalose, 0.51% Glycine, 0.41% Tris, 0.36% L-Arginine hydrochloride, 0.04% Sodium chloride\u003c\/p\u003e\n\n\u003cp\u003eProduct details:\u003cbr\u003e\nThis product is stable after storage at:\u003cbr\u003e\n-20°C to -70°C for 12 months in lyophilized state;\u003cbr\u003e\nC for 3 months under sterile conditions after reconstitution.\u003c\/p\u003e\n\n\u003cp\u003eProperties and Storage Information:\u003cbr\u003e\nShipped at conditions-Blue Ice, Appropriate short-term storage conditions--20°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze \/ thaw cycle, For long term storage it is recommended to add a carrier protein on reconstitution (0.1% HSA or BSA)\u003c\/p\u003e","brand":"Abcam","offers":[{"title":"Default Title","offer_id":46843983790249,"sku":"ab181968","price":0.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/iright.com\/products\/abcam-ab181968","provider":"Iright","version":"1.0","type":"link"}