{"product_id":"c050-8","title":"C050","description":"\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Recombinant Human IL-4 (E. coli)\u003cbr\u003e\u003cstrong\u003eSize (μg):\u003c\/strong\u003e 50\/500\/1000\u003cbr\u003e\u003cstrong\u003eAccession:\u003c\/strong\u003e P05112\u003cbr\u003e\u003cstrong\u003eMol Mass:\u003c\/strong\u003e Mol Mass:15.1 KDa; APMol Mass:13-14 KDa, reducing conditions\u003cbr\u003e\u003cstrong\u003eAlternative Names:\u003c\/strong\u003e Interleukin-4; IL-4; B-Cell Stimulatory Factor 1; BSF-1; Binetrakin; Lymphocyte Stimulatory Factor 1; Pitrakinra; IL4\u003cbr\u003e\u003cstrong\u003eFormulation:\u003c\/strong\u003e Lyophilized from a 0.2 μm filtered solution of 20mM  Tris-HCl, 150mM NaCl, pH 7.2.\u003cbr\u003e\u003cstrong\u003eEndotoxin:\u003c\/strong\u003e \u0026lt; 0.01 EU\/µg as determined by LAL test.\u003cbr\u003e\u003cstrong\u003ePurity:\u003c\/strong\u003e Greater than 95% as determined by reducing SDS-PAGE. (QC verified)\u003cbr\u003e\u003cstrong\u003eBioactivity:\u003c\/strong\u003e Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells. The ED50 for this effect is 10-70 pg\/ml. (QC verified)\u003cbr\u003e\u003cstrong\u003eReconstitution:\u003c\/strong\u003e Always centrifuge tubes before opening.Do not mix by vortex or pipetting.\nIt is not recommended to reconstitute to a concentration less than 100μg\/ml.\nDissolve the lyophilized protein in distilled water.\nPlease aliquot the reconstituted solution to minimize freeze-thaw cycles.\u003cbr\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e The product is shipped at ambient temperature.\nUpon receipt, store it immediately at the temperature listed below.\u003cbr\u003e\u003cstrong\u003eDelivery:\u003c\/strong\u003e Order now, ship in 3 days\u003cbr\u003e\u003cstrong\u003eTitle:\u003c\/strong\u003e C050\u003cbr\u003e\u003cstrong\u003eSize Raw:\u003c\/strong\u003e Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt.\nReconstituted protein solution can be stored at 2-8°C for 2-7 days.\nAliquots of reconstituted samples are stable at ≤ -20°C for 3 months.\u003cbr\u003e\u003cstrong\u003eSize List:\u003c\/strong\u003e ['20', '2', '8', '2', '7', '20', '3']","brand":"Feiyuebio","offers":[{"title":"8","offer_id":50353262395672,"sku":"C050-8","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/5652\/1400\/files\/Feiyuebio_d42d632b-5276-4236-b140-8013f28d3985.png?v=1749695091","url":"https:\/\/danabiosci.com\/products\/c050-8","provider":"Dana Bioscience","version":"1.0","type":"link"}