SARS-CoV-2 (COVID-19) Spike S1 antibody [HL1]

Cat. No. GTX635656

Reference 5

Host	Rabbit
Clonality	Monoclonal
Clone Name	HL1
Isotype	IgG
Application	WB, ICC/IF, IP, ELISA, Sandwich ELISA
Reactivity	SARS Coronavirus 2
Package	100 μl ($399), 25 μl ($169)

See all SARS-CoV-2 (COVID-19) Spike products

View product citations for antibody GTX635656 on CiteAb

APPLICATION

Application Note

*Optimal dilutions/concentrations should be determined by the researcher.

Application	Recommended Dilution
WB	1:1000-1:10000
ICC/IF	1:100-1:1000
IP	Assay dependent
ELISA	Assay dependent
Sandwich ELISA	Assay dependent
Note : Sandwich ELISA Capture : GTX632604, Detection: GTX635656

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

Carrier-protein conjugated synthetic peptide encompassing a sequence within the N-terminal region of SARS-CoV-2 (COVID-19) spike (SARS-CoV-2 (strain Wuhan-Hu-1)). The exact sequence is proprietary.

Purification

Affinity purified by protein A.

Conjugation

Unconjugated

RRID

AB_2888549

Note

For laboratory research use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.

Purchasers shall not, and agree not to enable third parties to, analyze, copy, reverse engineer or otherwise attempt to determine the structure or sequence of the product.

TARGET

Synonyms

2019-nCoV Spike , SARS-CoV-2 Spike , COVID-19 Spike

Research Area

DATA IMAGES

GTX635656 ELISA Image

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) spike S1 subunit protein or recombinant SARS-CoV spike S1 subunit protein (62.5-4000 ng/mL). Coated protein probed with SARS-CoV-2 (COVID-19) Spike S1 antibody [HL1] (GTX635656) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) detected bound primary antibody.

GTX635656 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 [HL1] (GTX635656) diluted at 1:5000. The HRP-conjugated anti-rabbit IgG antibody (GTX213110-01) was used to detect the primary antibody.

GTX635656 ELISA Image

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) Spike S1 protein, His tag (active) protein (GTX135817-pro) (4000-62.5 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike S1 antibody [HL1] (GTX635656) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

GTX635656 ELISA Image

Indirect ELISA analysis was performed by coating plate with 50 μL of recombinant SARS-CoV-2 (COVID-19) spike S1 subunit protein at concentrations ranging from 0.0625 μg/mL to 4 μg/mL. The coated protein is detected with (GTX635656) at 1 μg/mL. Rabbit IgG antibody (HRP) (GTX213110-01) was diluted at 1:10000 and used to detect the primary antibody.

GTX635656 WB Image

GTX635656 ELISA Image

Sandwich ELISA detection of non-transfected and SARS-CoV-2 spike (full length) transfected 293T whole cell extracts (GTX535664) using GTX632604 as capture antibody at concentration of 5 μg/mL and GTX635656 as detection antibody at concentration of 1 μg/mL. Rabbit IgG antibody (HRP) (GTX213110-01) was diluted at 1:10000 and used to detect the primary antibody.

GTX635656 ELISA Image

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 [HL1] (GTX635656) (2.4*10⁻⁶ ~ 20 nM). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) detected bound primary antibody.
EC50 : 0.117 nM

GTX635656 ICC/IF Image

SARS-CoV-2 (COVID-19) spike antibody [HL1] detects SARS-CoV-2 (COVID-19) spike protein by immunofluorescent analysis.
Sample: Mock and SARS-CoV-2 Spike-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 antibody [HL1] (GTX635656) diluted at 1:1000.
Blue: Fluoroshield with DAPI (GTX30920).

REFERENCE

Application Reference

Y Maeda et al. Int J Mol Sci 2024; 25 (2) : 1353 Differential Ability of Spike Protein of SARS-CoV-2 Variants to Downregulate ACE2

Application : WB, IP

Y Maeda et al. Epidemiol Infect 2023; Differential Ability of S Protein of SARSCoV-2 Variants to Downregulate ACE2

Application : WB, IP

Petros BA et al. Med (N Y) 2022; Multimodal surveillance of SARS-CoV-2 at a university enables development of a robust outbreak response framework.

Yen-Chung Lai et al. Front Immunol 2022; 13 : 868724 Antigenic Cross-Reactivity Between SARS-CoV-2 S1-RBD and Its Receptor ACE2.

Application : WB

Leonid Yurkovetskiy et al. Cell 2020; S0092-8674 (20) : 31229-0 Structural and Functional Analysis of the D614G SARS-CoV-2 Spike Protein Variant.

Application : WB

Submit a Reference

REVIEW

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Application Reference

Y Maeda et al. Int J Mol Sci 2024; 25 (2):1353 Differential Ability of Spike Protein of SARS-CoV-2 Variants to Downregulate ACE2

Application : WB, IP

Y Maeda et al. Epidemiol Infect 2023; Differential Ability of S Protein of SARSCoV-2 Variants to Downregulate ACE2

Application : WB, IP

Petros BA et al. Med (N Y) 2022; Multimodal surveillance of SARS-CoV-2 at a university enables development of a robust outbreak response framework.

Yen-Chung Lai et al. Front Immunol 2022; 13:868724 Antigenic Cross-Reactivity Between SARS-CoV-2 S1-RBD and Its Receptor ACE2.

Application : WB

Leonid Yurkovetskiy et al. Cell 2020; S0092-8674 (20):31229-0 Structural and Functional Analysis of the D614G SARS-CoV-2 Spike Protein Variant.

Application : WB

SDS
PBS.pdf

Package	List Price ($)
100 μl	$ 399
25 μl	$ 169
Qty Custom Conjugations

SARS-CoV-2 (COVID-19) Spike S1 antibody [HL1]

Cat. No. GTX635656

Host

Clonality

Clone Name

Isotype

Application

Reactivity

APPLICATION

Application Note

Product Note

PROPERTIES

Form

Buffer

Preservative

Storage

Concentration

Antigen Species

Immunogen

Purification

Conjugation

RRID

Note

TARGET

Synonyms

Research Area

DATA IMAGES

GTX635656 ELISA Image

GTX635656 WB Image

GTX635656 ELISA Image

GTX635656 ELISA Image

GTX635656 WB Image

GTX635656 ELISA Image

GTX635656 ELISA Image

GTX635656 ICC/IF Image

REFERENCE

Application Reference

REVIEW

Product

Research

Support

Company

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All products are for research use only—Not for use in diagnostic or therapeutic applications.