Description

conjugation-Unconjugated-source-Recombinant human IL-21 Protein, Tag free (HEK293) protein is expressed in E.coli with Tag free. It contains the amino acid sequence of 25-155/162.-gene_id-59067-swiss_prot-Q9HBE4-applications-ELISA-species-Others-background–storage_buffer-Lyophilized from 0.22um filtered solution in PBS, 5mM DTT (pH=7.4). Normally 5 % trehalose is added as protectant before Lyophilization.-storage_condition-The product should be stored at -70°C or -20°C.-expression_system-E.coli-tag-Tag free-purity-> 95% as determined by Tris-Bis PAGE; > 95% as determined by SEC-HPLC-endotoxin-<1EU/ug by the LAL method