Acro Biosystems
SARS-CoV-2 (COVID-19) S1 protein NTD, His Tag | S1D-C52H6
- SKU:
- S1D-C52H6
- UPC:
- MPN:
- Host:
- HEK293
- Molecule:
- Spike NTD
- Species:
- SARS-CoV-2
- Tag:
- His Tag
Description
SARS-CoV-2 (COVID-19) S1 protein NTD, His Tag | S1D-C52H6 | Acro Biosystems | SARS-CoV-2 Proteins
Synonym
S1 protein NTD, Spike protein S1 NTD, BetaCoV S1-NTD
Source
SARS-CoV-2 S1 protein NTD, His Tag (S1D-C52H6) is expressed from human 293 cells (HEK293). It contains AA Ser 13 - Leu 303 (Accession # QHD43416.1).
Predicted N-terminus: Ser 13
Molecular Characterization
Online(Ser 13 - Leu 303) QHD43416.1Development Suggestion
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 34.9 kDa. The protein migrates as 45-65 kDa under reducing (R) condition (SDS-PAGE) due to Glycosylation.
Endotoxin
Less than 1.0 EU per μg by the LAL method.
Purity
>90% as determined by SDS-PAGE.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS,pH7.3 . Normally trehalose is added as protectant before lyophilization.
Contact us for customized product form or formulation.
Reconstitution
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
Storage
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
-20°C to -70°C for 12 months in lyophilized state;
-70°C for 3 months under sterile conditions after reconstitution.
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