Recombinant Human TNF-alpha Protein,His tag

Description :
Synonyms Tumor Necrosis Factor, TNFA, TNFSF2, Cachectin, Cytotoxin, Differentiation-inducing factor, DIF Uniprot No. P01375 Source E.coli-derived human TNF-/TNFSF2 protein, Val77-Leu233, with C-terminal His tag. Molecular Weight Approximately 18.5 kDa. Purity > 95% as determined by SDS-PAGE. Endotoxin Formulation Lyophilized from a 0.2 m filtered concentrated solution in PBS. Reconstitution Centrifuge tubes before opening. Dissolve lyophilized protein with PBS. Recommend to aliquot the protein into smaller quantities when first usedand avoid repeated freeze-thaw cycles.