Recombinant SARS Spike S1 protein, His-Avi-tagged, Biotinylated

• Cat.No.: Spike-2748V
• Product Overview: Biotinylated Recombinant SARS Spike S1 protein(P59594)(Ser14-Arg667), fused with C-terminal His and Avi tag, was expressed in HEK293.

Specification

• Source: HEK293
• Species: SARS
• Tag: C-His-Avi
• Protein length: Ser14-Arg667
• Conjugation/Label: Biotin
• Form: Supplied as 0.22μm filtered solution in PBS (pH 7.4).
• Molecular Mass: The protein has a predicted MW of 75.9 kDa. Due to glycosylation, the protein migrates to 120-140 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.