SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active), Unconjugated

Product Overview

• Article Name: SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active), Unconjugated
• Biozol Catalog Number: GTX135972-PRO
• Supplier Catalog Number: GTX135972-pro
• Alternative Catalog Number: GTX135972-PRO-100
• Manufacturer: GeneTex
• Category: Proteine/Peptide
• Application: ELISA, Receptor Binding Assays, WB
• Species Reactivity: Virus
• Conjugation: Unconjugated
• Alternative Names: COVID-19 Spike, SARS-CoV-2 Spike, covid-19, sars-cov-2

Product Description

SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active), Unconjugated

Product Properties

• Concentration: 0.73 mg/ml (Please refer to the vial label for the specific concentration.)
• Molecular Weight: 133
• Pubmed: 33919728,
• Buffer: PBS, no preservative.
• Expression System: HEK293 cells
• Form: Liquid
• Sequence: SARS-CoV-2 Spike of QHD43416.1 (1-1213 a.a, extracellular domain ) with S1-S2 cleavage site mutations (682-685GSAS), 6 stabilizing mutations ( HexaPro mutations, including F817P, A892P, A899P, A942P, K986P, and V987P) and T4 trimerization domain as well

Application Notes

• Application Notes: Recommended antibody pairs for sandwich ELISA:Capture: GTX635807, Detection: GTX635792-01 / GTX635791. or >Capture: GTX635693, Detection: GTX636042.

Images

Sandwich ELISA detection of recombinant SARS-CoV-2 (COVID-19) Spike (HexaPro) ECD, His tag (GTX135972-pro) using SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (GTX635807) as capture antibody at concentration of 5 μg/mL and SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1003] (HRP) (GTX635792-01) as detection antibody at concentration of 1 μg/mL.

Functional ELISA analysis of immobilized recombinant SARS-CoV-2 (COVID-19) Spike (HexaPro) ECD, His tag (GTX135972-pro) (coated at 2 μg/mL) binding to soluble recombinant Human ACE2 (ECD) protein, mouse IgG Fc tag (active) (GTX135683-pro) (13-10000 ng/mL). Bound protein was detected by Goat Anti-Mouse IgG antibody (HRP) (GTX213111-01) (1:10000).

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike ( L18F,..., K417N, E484K, N501Y,...)(ECD) Protein, His tag (active) (South Africa variant) (GTX136061-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1003] (GTX635792) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike ( L18F,..., K417N, E484K, N501Y,...)(ECD) Protein, His tag (active) (South Africa variant) (GTX136061-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike S1 antibody [HL13402] (GTX635713) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike ( L18F,..., K417N, E484K, N501Y,...)(ECD) Protein, His tag (active) (South Africa variant) (GTX136061-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1004] (GTX635793) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike ( L18F,..., K417N, E484K, N501Y,...)(ECD) Protein, His tag (active) (South Africa variant) (GTX136061-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [1A9] (GTX632604) (1 μg/mL). Mouse IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike ( L18F,..., K417N, E484K, N501Y,...)(ECD) Protein, His tag (active) (South Africa variant) (GTX136061-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (GTX635807) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike ( L18F,..., K417N, E484K, N501Y,...)(ECD) Protein, His tag (active) (South Africa variant) (GTX136061-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike S2 antibody [HL237] (GTX635693) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

GTX135972-pro ELISA Image

Sandwich ELISA detection of recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B.1.1.7 alpha variant; B.1.351 beta variant; P.1 gamma variant; B1.617.2 delta variant) using antibodies as below.

Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (GTX635807) (5 μg/mL)
Detection: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1003] (HRP) (GTX635792-01) (1 μg/mL)

Sandwich ELISA detection of recombinant SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (GTX135972-pro) using antibodies as below.

Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [GT5449] (GTX636042) (5 μg/mL)
Detection: SARS-CoV-2 (COVID-19) Spike S2 antibody [HL237] (GTX635693) (1 μg/mL)

Indirect ELISA analysis performed by coating plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B1.617.2 delta variant) (29.71-0.46 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike S1 antibody [HL13402] (GTX635713) (1 μg/mL). Goat anti-rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B.1.1.7 alpha variant; B.1.351 beta variant; P.1 gamma variant; B1.617.2 delta variant) (29.71-0.46 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1002] (GTX635791) (1 μg/mL). Goat anti-rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B1.617.2 delta variant) (29.71-0.46 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1003-HU] (GTX635866) (1 μg/mL). Human IgG antibody (HRP) (1:200000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B1.617.2 delta variant) (29.71-0.46 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1003] (GTX635792) (1 μg/mL). Goat anti-rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B1.617.2 delta variant) (29.71-0.46 nM). Coated protein was probed with SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [1A9] (GTX632604) (1 μg/mL). Goat anti-mouse IgG antibody (HRP) (GTX213111-01) (1:10000) was used to detect bound primary antibody.

Sandwich ELISA detection of recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B.1.1.7 alpha variant; B.1.351 beta variant; P.1 gamma variant; B1.617.2 delta variant) using antibodies as below.

Capture: SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [1A9] (GTX632604) (5 μg/mL)
Detection: SARS-CoV-2 (COVID-19) Spike S1 antibody [HL263] (GTX635672) (1 μg/mL)

Sandwich ELISA detection of recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B.1.1.7 alpha variant; B.1.351 beta variant; P.1 gamma variant; B1.617.2 delta variant) using antibodies as below.

Capture: SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [1A9] (GTX632604) (5 μg/mL)
Detection: SARS-CoV-2 (COVID-19) Spike S1 antibody [HL13402] (GTX635713) (1 μg/mL)

Functional ELISA analysis of immobilized recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B1.617.2 delta variant) (coated at 2 μg/mL) binding to soluble recombinant Human ACE2 (ECD) protein, mouse IgG Fc tag (active) (GTX135683-pro) (0.03-117.19 nM). Bound protein was detected by Goat Anti-Mouse IgG antibody (HRP) (GTX213111-01) (1:10000).

Sandwich ELISA detection of recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B.1.1.7 alpha variant; B.1.351 beta variant; P.1 gamma variant; B1.617.2 delta variant) using antibodies as below.

Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (GTX635807) (5 μg/mL)
Detection: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1004] (HRP) (GTX635793-01) (1 μg/mL)

Indirect ELISA analysis performed by coating plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B1.617.2 delta variant) (29.71-0.46 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1004] (GTX635793) (1 μg/mL). Goat anti-rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B1.617.2 delta variant) (29.71-0.46 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [GT5449] (GTX636042) (1 μg/mL). Goat anti-mouse IgG antibody (HRP) (GTX213111-01) (1:10000) was used to detect bound primary antibody.

Sandwich ELISA detection of recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B.1.1.7 alpha variant; B.1.351 beta variant; P.1 gamma variant; B1.617.2 delta variant) using antibodies as below.

Capture: SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [1A9] (GTX632604) (5 μg/mL)
Detection: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1003] (GTX635792) (1 μg/mL)

Sandwich ELISA detection of recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B1.617.2 delta variant; B.1.1.7 alpha variant; B.1.351 beta variant; P.1 gamma variant) using antibodies as below.

Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (GTX635807) (5 μg/mL)
Detection: HRP-conjugated SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1002] (GTX635791) (1 μg/mL)
Please notice that GTX635791 needs to be conjugated to HRP to function as the detection antibody when paired with GTX635807. Please contact us for custom HRP-conjugated antibody.

Indirect ELISA analysis performed by coating plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B1.617.2 delta variant) (29.71-0.46 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike S2 antibody [HL237] (GTX635693) (1 μg/mL). Goat anti-rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B1.617.2 delta variant) (29.71-0.46 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (GTX635807) (1 μg/mL). Goat anti-rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike (L18F,..., K417T, E484K, N501Y, D614G,...,V987P)(ECD), His tag (active) (B.1.1.28) (GTX136091-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (WT) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (GTX635807) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike (L18F,..., K417T, E484K, N501Y, D614G,...,V987P)(ECD), His tag (active) (B.1.1.28) (GTX136091-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (WT) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [1A9] (GTX632604) (1 μg/mL). Mouse IgG antibody (HRP) (GTX213111-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike (L18F,..., K417T, E484K, N501Y, D614G,...,V987P)(ECD), His tag (active) (B.1.1.28) (GTX136091-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (WT) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1004] (GTX635793) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike (L18F,..., K417T, E484K, N501Y, D614G,...,V987P)(ECD), His tag (active) (B.1.1.28) (GTX136091-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (WT) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1003] (GTX635792) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike (L18F,..., K417T, E484K, N501Y, D614G,...,V987P)(ECD), His tag (active) (B.1.1.28) (GTX136091-pro) and SARS-CoV-2 (COVID-19) Spike (ECD) protein, His tag (active) (WT) (GTX135972-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike S2 antibody [HL237] (GTX635693) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.