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> SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [CR3022]

SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [CR3022]

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Cat# GTX01555-100ug

Size : 100ug

Brand : GeneTex

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Anti-SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [CR3022] used in ELISA (ELISA). GTX01555
Anti-SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [CR3022] used in ELISA (ELISA). GTX01555

Host

 Human

Clonality

 Monoclonal

Clone Name

 CR3022

Isotype

 IgG1

Application

 ELISA, Neutralizing/Inhibition

Reactivity

 SARS Coronavirus, SARS Coronavirus 2
Package
100 μg
Datasheet File
View product citations for antibody GTX01555 on CiteAb
PRODUCT

Summary

SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [CR3022] binds to both SARS-CoV and SARS-CoV-2 with high affinity (PMID: 16796401 & 32065055). The initial characterization of the binding of this antibody was performed by ELISA and indicates potential for the development of diagnostic assays, as both virus-capture assays, or as controls in serological assays measuring immune responses to virus exposure. The original human IgG1 version of the antibody works synergistically in combination with another non-competing SARS antibody CR3014 and is a potential candidate for passive immune prophylaxis of SARS-CoV infection (ter Meulen et al., 2006). The original antibody (human IgG1) was also reported to bind the SARS-CoV-2 RBD (KD of 6.3 nM). This antibody may have potential as a therapeutic agent, alone or in combination with other neutralizing antibodies for treatment of SARS-CoV-2 infections (Tian et al., 2020).

APPLICATION

Application Note

*Optimal dilutions/concentrations should be determined by the researcher.
Application Recommended Dilution
ELISA Assay dependent
Neutralizing/Inhibition Assay dependent
Not tested in other applications.

Product Note

This antibody binds the amino acids 318-510 in the S1 domain of the SARS-CoV Spike protein as well as SARS-CoV-2 (COVID-19) Spike protein. The antibody also binds to P462L-substituted S318–510 fragments of the SARS spike protein. The binding epitope is only accessible in the "open" confromation of the spike protein (Joyce et al. 2020)

PROPERTIES

Form

Liquid

Buffer

PBS

Preservative

0.02% ProClin 300

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

Immunogen

The original monoclonal antibody was generated by sequencing peripheral blood lymphocytes of a patient exposed to the SARS-CoV.

Purification

Protein A purified

Conjugation

Unconjugated

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

Database

DATA IMAGES

Anti-SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [CR3022] used in ELISA (ELISA). GTX01555

GTX01555 ELISA Image

ELISA analysis of SARS-CoV-2 Spike S1 protein, Sheep Fc tag (blue line) and SARS-CoV-2 Spike S2 protein, Sheep Fc tag (orange line) at concentrations of 5 μg/ml using GTX01555 SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [CR3022]. A 3-fold serial dilution primary antibody from 125 ng/ml was performed. For detection, a 1:4000 dilution of HRP-labelled anti-human IgG antibody was used.

Anti-SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [CR3022] used in ELISA (ELISA). GTX01555

GTX01555 ELISA Image

ELISA analysis of SARS-CoV-2 Spike S1 protein, His tag (Insect Cells; grey line), SARS-CoV-2 Spike S2 protein, His tag (Insect Cells; yellow line) and SARS Coronavirus Spike S1 protein, His tag (HEK293 cells; blue line) at concentrations of 5 μg/ml using GTX01555 SARS-CoV / SARS-CoV-2 (COVID-19) spike antibody [CR3022]. A 3-fold serial dilution antibody from 41.6 ng/ml was performed. For detection, a 1:4000 dilution of HRP-labelled anti-human IgG antibody was used.

Application Reference

Masterson AN et al. Anal Chem 2021; 93 (25) : 8754-8763 Multiplexed and High-Throughput Label-Free Detection of RNA/Spike Protein/IgG/IgM Biomarkers of SARS-CoV-2 Infection Utilizing Nanoplasmonic Biosensors.

Clone Reference

Tian X et al. Emerg Microbes Infect. 2020; 9 (1):382-385 Potent binding of 2019 novel coronavirus spike protein by a SARS coronavirus-specific human monoclonal antibody.
ter Meulen J et al. PLoS Med. 2006; 3 (7) Human monoclonal antibody combination against SARS coronavirus: synergy and coverage of escape mutants.
Application : Neutralizing/Inhibition

REVIEW

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Application Reference
Masterson AN et al. Anal Chem 2021; 93 (25):8754-8763 Multiplexed and High-Throughput Label-Free Detection of RNA/Spike Protein/IgG/IgM Biomarkers of SARS-CoV-2 Infection Utilizing Nanoplasmonic Biosensors.
Clone Reference
Tian X et al. Emerg Microbes Infect. 2020; 9 (1):382-385 Potent binding of 2019 novel coronavirus spike protein by a SARS coronavirus-specific human monoclonal antibody.
ter Meulen J et al. PLoS Med. 2006; 3 (7) Human monoclonal antibody combination against SARS coronavirus: synergy and coverage of escape mutants.
Application : Neutralizing/Inhibition
SDS
PBS.pdf
Proclin.pdf