Proteins

SARS-CoV-2 Spike S2 ECD-His

P-306-100

Datasheet as
Name SARS-CoV-2 Spike S2 ECD-His
Source cDNA encodes SARS-CoV-2 surface protein (YP_009724390.1).

Protein contains amino acids 693-1218,  two extra amino acids (AS ) and His-6 tag at C-terminus.
MW 58,82 kDa
Host CHO-based cell line (expressed by QMCF Technology)
Purification Metal-affinity chromatography following gel filtration. Protein is sterile-filtrated through 0.22 µm filter.
Purity > 90%
Concentration 1 mg/ml
Buffer PBS pH 7.4
Endotoxine NA
QC SDS-PAGE
NanoDrop A280
Shipping Shipped on dry-ice
Storage Store at -70°C upon receipt. It is strongly recommended to avoid repeated freeze-thaw cycles. Aliquot the protein, freeze quickly in liquid nitrogen and thaw only once for your experiments.
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Figure 1. Coomassie-stained SDS-PAGE analysis of SARS-CoV-2 Spike S2. 4-15% gradient gel is used for analysis.