Recombinant Human CXCL8 protein, His-tagged

• Cat.No.: CXCL8-123H
• Product Overview: Recombinant Human CXCL8 protein(P10145-1)(Ser28-Ser99), fused with C-terminal His tag, was expressed in HEK293.

Specification

• Species: Human
• Source: HEK293
• Tag: His
• Protein Length: Ser28-Ser99
• Tag: C-His
• Form: Supplied as 0.22μm filtered solution in PBS (pH 7.4).
• Bio-activity: Immobilized Human IL-8, His Tag at 1ug/ml (100ul/well) on the plate. Dose response curve for Anti-IL-8 Antibody, hFc Tag with the EC50 of 4.4ng/ml determined by ELISA.
• Molecular Mass: The protein has a predicted MW of 9.5 kDa. Due to glycosylation, the protein migrates to 11-13 kDa based on Tris-Bis PAGE result.
• Endotoxin: Less than 1EU per μg by the LAL method.
• Purity: > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
• Storage: Valid for 12 months from date of receipt when stored at -80°C. Recommend to aliquot the protein into smaller quantities for optimal storage. Please do not 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.