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SARS-CoV-2 (Covid-19) spike receptor binding domain Recombinant Protein
Catalog Number: orb1671226
| Catalog Number | orb1671226 |
|---|---|
| Category | Proteins |
| Description | SARS-CoV-2 (Covid-19) spike receptor binding domain Recombinant Protein |
| Form/Appearance | liquid |
| Concentration | batch dependent |
| Buffer/Preservatives | PBS, pH 7.3 containing 0.1% ProClin300. |
| Purity | > 95% pure by SDS-PAGE. Ligand affinity purified. |
| MW | This recombinant protein contains Covid-19 spike protein receptor binding domain (S-RBD, Arg319-Phe541) with a MW of 29.17 kDa. It is recognized by an anti-S-RBD antibody in ELISA tests. |
| Tested applications | CLIA, ELISA, LF, WB |
| Application notes | Suitable for use in ELISA, CLIA, Lateral Flow, Western Blot, and other immune tests |
| Source | Insect cell |
| Storage | Upon receipt, quick spin before open vial, aliquot and store at ≤ –20˚°C. Avoid multiple freeze/thaw cycles |
| Note | For research use only |
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- Item 1 of 6
SARS-CoV-2 (COVID-19) Delta Variant Spike S1 (His-Avi Tag) Recombinant Protein [orb1228206]
ELISA, SDS-PAGE, WB
> 90% as determined by Bis-Tris PAGE
120 kD
HEK293 cells
0.05 mg - Item 1 of 6
SARS-CoV-2 (COVID-19) Delta Variant Spike RBD (His-Avi Tag) Recombinant Protein [orb1228207]
ELISA, SDS-PAGE, WB
> 95% as determined by Bis-Tris PAGE
35 kD
HEK293 cells
0.05 mg - Item 1 of 4
SARS-CoV-2 (COVID-19) UK variant (B.1.1.7) S RBD (N501Y) Recombinant Protein [orb1231548]
ELISA, WB
> 95% as determined by Bis-Tris PAGE; > 95% as determined by HPLCEndotoxin level is less than 1EU per ug by the LAL method.
HEK293 cells
0.1 mg - Item 1 of 3
SARS-CoV-2 (COVID-19) Spike RBD Recombinant Protein [orb1231596]
ELISA, WB
> 95% as determined by Bis-Tris PAGE; > 95% as determined by HPLC
Predicted: 51.7kD Observed: 60-62kD due to glycosylation
HEK293 cells
0.1 mg - Item 1 of 3
SARS-CoV-2 (COVID-19) Biotinylated Spike RBD Recombinant Protein [orb1231597]
ELISA, WB
> 95% as determined by Bis-Tris PAGE; > 95% as determined by HPLC
Predicted: 27kD Observed: 36-40kD due to glycosylation
HEK293 cells
0.1 mg
