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SAB5700589

Sigma-Aldrich

Monoclonal Anti-2019-nCoV Spike antibody produced in Rabbit

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biological source

rabbit

Quality Level

conjugate

unconjugated

antibody product type

primary antibodies

clone

monoclonal

form

liquid

species reactivity

SARS virus

technique(s)

ELISA: 1:1000-1:5000
flow cytometry: 1:50-1:200
immunofluorescence: 1:50-1:200
immunohistochemistry: 1:50-1:200
immunoprecipitation (IP): 1:50-1:200

isotype

IgG

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

SARS virus ... S(43740568)

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SAB3501119SAB3501122SAB3501121
conjugate

unconjugated

conjugate

unconjugated

conjugate

unconjugated

conjugate

unconjugated

clone

monoclonal

clone

polyclonal

clone

polyclonal

clone

polyclonal

form

liquid

form

liquid

form

liquid

form

liquid

species reactivity

SARS virus

species reactivity

SARS coronavirus

species reactivity

SARS coronavirus

species reactivity

SARS coronavirus

technique(s)

ELISA: 1:1000-1:5000, flow cytometry: 1:50-1:200, immunofluorescence: 1:50-1:200, immunohistochemistry: 1:50-1:200, immunoprecipitation (IP): 1:50-1:200

technique(s)

ELISA: suitable, immunofluorescence: suitable, immunohistochemistry: suitable, western blot: suitable

technique(s)

ELISA: suitable, immunofluorescence: suitable, western blot: suitable

technique(s)

ELISA: suitable, immunofluorescence: suitable, western blot: suitable

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General description

The spike (S) glycoprotein of coronaviruses contains protrusions that will only bind to certain receptors on the host cell. Known receptors bind S1 are ACE2, angiotensin-converting enzyme 2; DPP4, dipeptidyl peptidase-4; APN, aminopeptidase N; CEACAM, carcinoembryonic antigen-related cell adhesion molecule 1; Sia, sialic acid; O-ac Sia, O-acetylated sialic acid. The spike is essential for both host specificity and viral infectivity. The term ′peplomer′ is typically used to refer to a grouping of heterologous proteins on the virus surface that function together. The spike (S) glycoprotein of coronaviruses is known to be essential in the binding of the virus to the host cell at the advent of the infection process. It′s been reported that 2019-nCoV can infect the human respiratory epithelial cells through interaction with the human ACE2 receptor. The spike protein is a large type I transmembrane protein containing two subunits, S1 and S2. S1 mainly contains a receptor binding domain (RBD), which is responsible for recognizing the cell surface receptor. S2 contains basic elements needed for the membrane fusion.The S protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity. The main functions for the Spike protein are summarized as: Mediate receptor binding and membrane fusion; Defines the range of the hosts and specificity of the virus; Main component to bind with the neutralizing antibody; Key target for vaccine design; Can be transmitted between different hosts through gene recombination or mutation of the receptor binding domain (RBD), leading to a higher mortality rate.

Storage and Stability

Avoid freeze / thaw cycles. Buffer:PBS with 0.02% sodium azide, 50% glycerol, pH 7.3.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Data presented is the available current product information and provided as-is. These products have not been tested or verified in any additional applications, sample types, including any clinical use. Experimental conditions must be empirically derived by the user. Our Antibody Guarantee only covers tested applications stated herein and conditions presented in our product information and is not extended to publications.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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