Acro Biosystems
SARS-CoV-2 (COVID-19) S1 protein CTD, His Tag (MALS-verified) | S1D-C52H3
- SKU:
- S1D-C52H3
- UPC:
- MPN:
- Host:
- HEK293
- Molecule:
- Spike CTD
- Species:
- SARS-CoV-2
- Tag:
- His Tag
Description
SARS-CoV-2 (COVID-19) S1 protein CTD, His Tag (MALS-verified) | S1D-C52H3 | Acro Biosystems | SARS-CoV-2 Proteins
Synonym
S1 protein CTD, Spike protein S1 CTD, BetaCoV S1-CTD
Source
SARS-CoV-2 S1 protein CTD, His Tag (MALS-verified) (S1D-C52H3) is expressed from human 293 cells (HEK293). It contains AA Asn 334 - Pro 527 (Accession # QHD43416.1).
Predicted N-terminus: Asn 334
Molecular Characterization
Online(Asn 334 - Pro 527) QHD43416.1Development Suggestion
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 23.6 kDa. The protein migrates as 28-30 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 1.0 EU per μg by the LAL method.
Purity
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
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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