| Species : | Human | 
                                
                                    | Source : | HEK293 | 
                                
                                    | Tag : | Fc | 
                                
                                    | Protein Length : | DNA sequence encoding Human OX40 ligand(NCBI Reference Sequence: NP_003317.1) was expressed with Fc tag at the C-terminal. | 
                                
                                    | Form : | Freeze-dried powder contains Sterile PBS (pH 7.4) with 6% mannitol. | 
                                
                                    | Bio-activity : | The linear range of immobilized Human OX40(His Tag) at 5µg/mL(100 uL/well) that can bind to OX40 Ligand (Fc Tag) is 5-53 ng/mL. | 
                                
                                    | Molecular Mass : | Recombinant Human TNFSF4 protein contains 364 aa. It has a predicted MW of 42.4 kDa. | 
                                
                                    | Endotoxin : | <0.1EU/ug | 
                                
                                    | Purity : | >=95% by SDS-PAGE and HPLC | 
                                
                                    | Storage : | The lyophilized preparation can be stored at 4°C for 24 months, and the dissolved liquid can be stored at -20°C for 6-12 months to avoid repeated freezing and thawing | 
                                
                                    | Reconstitution : | It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 ug/ul. Centrifuge the vial at 4°C before opening to recover the entire contents. |