Active Recombinant Human EPCAM protein, His-tagged

Specification :
| Source : HEK293 | Species : Human | Tag : His | Form : Lyophilized from sterile PBS, pH 7.4Please contact us for any concerns or special requirements. Normally 5 % – 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hard copy of CoA. | Bio-activity : Measured by the ability of the immobilized protein to support the adhesion of NIH-3T3 mouse embryonic fibroblast cells. When cells are added to EpCAM-His coated plates (1.25μg/mL, 100μL/well), approximately >40% will adhere specifically after 30 minutes at 37℃. | Molecular Mass : The recombinant human EpCAM consists of 253 amino acids after removal of the signal peptide and has a calculated molecular mass of 28.84 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of human EpCAM is approximately 36.5 kDa due to glycosylation. | Proteinlength : Met1-Lys265 | Endotoxin : | Purity : > 96 % as determined by SDS-PAGE. ≥ 90 % as determined by SEC-HPLC. | Storage : Samples are stable for up to twelve months from date of receipt at -20°C to -80°C. Store it under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles. | 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.