*Optimal dilutions/concentrations should be determined by the researcher.
Application
Recommended Dilution
WB
1:1000-1:10000
ICC/IF
1:100-1:1000
ELISA
Assay dependent
IHC-P (cell pellet)
Assay dependent
Not tested in other applications.
Product Note
This antibody detects SARS-CoV-2 Spike protein, but does not cross-react with SARS-CoV or MERS-CoV spike proteins based on our internal testing.
PROPERTIES
Form
Liquid
Buffer
PBS
Preservative
No Preservative
Storage
Store as concentrated solution. Centrifuge briefly prior to opening vial. For short-term storage (1-2 weeks), store at 4ºC. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.
Concentration
1 mg/ml (Please refer to the vial label for the specific concentration.)
Antigen Species
SARS Coronavirus 2
Immunogen
Recombinant protein encompassing a sequence within the N-terminus region of SARS-CoV-2 (COVID-19) spike (S1) (SARS-CoV-2 (strain Wuhan-Hu-1)). The exact sequence is proprietary.
Purification
Affinity purified by protein A.
Conjugation
Unconjugated
RRID
AB_2888550
Note
For laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.
Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) spike S1 subunit protein (50 ng). Coated protein probed with SARS-CoV-2 (COVID-19) Spike S1 antibody [HL134] (GTX635671) (2.4*10⁻⁶ ~ 20 nM). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) detected bound primary antibody.EC50 : 0.552 nM
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GTX635671 WB Image
Non-transfected (–) and transfected (+) 293T whole cell extracts (30 μg) were separated by 5% SDS-PAGE, and the membrane was blotted with SARS-CoV-2 (COVID-19) Spike S1 antibody [HL134] (GTX635671) diluted at 1:5000. The HRP-conjugated anti-rabbit IgG antibody (GTX213110-01) was used to detect the primary antibody.
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GTX635671 WB Image
Non-transfected (–) and transfected (+) 293T whole cell extracts (30 μg) were separated by 5% SDS-PAGE, and the membrane was blotted with SARS-CoV-2 (COVID-19) Spike S1 antibody [HL134] (GTX635671) diluted at 1:5000. The HRP-conjugated anti-rabbit IgG antibody (GTX213110-01) was used to detect the primary antibody.
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GTX635671 IHC-P (cell pellet) Image
SARS-CoV-2 (COVID-19) Spike S1 antibody [HL134] detects SARS-CoV-2 (COVID-19) Spike S1 protein by immunohistochemical analysis.Sample: Mock (GTX435670) and SARS-CoV-2 (COVID-19) Spike transfected 293T cell FFPE Cell Pellet Block (GTX435640).Green: SARS-CoV-2 (COVID-19) Spike S1 stained by SARS-CoV-2 (COVID-19) Spike S1 antibody [HL134] (GTX635671) diluted at 1:1000.Blue: Fluoroshield with DAPI (GTX30920).Antigen Retrieval: Citrate buffer, pH 6.0, 15 min
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GTX635671 ELISA Image
Indirect ELISA analysis was performed by coating plate with 50 μL of recombinant SARS-CoV-2 (COVID-19) spike S1 subunit protein, and SARS-CoV spike S1 subunit protein at concentrations ranging from 0.0625 μg/mL to 4 μg/mL. The coated protein is detected with SARS-CoV-2 (COVID-19) Spike S1 antibody [HL134] (GTX635671) at 1 μg/mL. Rabbit IgG antibody (HRP) (GTX213110-01) was diluted at 1:10000 and used to detect the primary antibody.
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GTX635671 ELISA Image
Indirect ELISA analysis was performed by coating plate with 50 μL of recombinant SARS-CoV-2 (COVID-19) spike S1 subunit protein, and SARS-CoV spike S1 subunit protein at concentrations ranging from 0.0625 μg/mL to 4 μg/mL. The coated protein is detected with SARS-CoV-2 (COVID-19) Spike S1 antibody [HL134] (GTX635671) at 1 μg/mL. Rabbit IgG antibody (HRP) (GTX213110-01) was diluted at 1:10000 and used to detect the primary antibody.
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GTX635671 ICC/IF Image
SARS-CoV-2 (COVID-19) Spike S1 antibody [HL134] detects SARS-CoV-2 (COVID-19) Spike protein by immunofluorescent analysis.Sample: Mock and transfected 293T cells were fixed in 4% paraformaldehyde at RT for 15 min.Green: SARS-CoV-2 (COVID-19) Spike stained by SARS-CoV-2 (COVID-19) Spike S1 antibody [HL134] (GTX635671) diluted at 1:500.Blue: Fluoroshield with DAPI (GTX30920).
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