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SAB3700785

Sigma-Aldrich

Anti-Ferret IgA (α-chain specific) antibody produced in goat

affinity isolated antibody, buffered aqueous solution

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About This Item

Código UNSPSC:
12352203
NACRES:
NA.46

fonte biológica

goat

conjugado

unconjugated

forma do anticorpo

affinity isolated antibody

tipo de produto de anticorpo

secondary antibodies

clone

polyclonal

forma

buffered aqueous solution

reatividade de espécies

ferret

concentração

1.0 mg/mL

técnica(s)

immunohistochemistry: suitable
indirect ELISA: suitable
western blot: suitable

Condições de expedição

wet ice

temperatura de armazenamento

2-8°C

modificação pós-traducional do alvo

unmodified

Descrição geral

Immunoglobulin A (IgA) belongs to the immunoglobulin family. It is found as two subclasses, that is, IgA1 and IgA2. IgA1 has an extended hinge because of the insertion of a duplicated stretch of amino acids, whereas IgA2 lacks this. IgA exists as a monomer or dimer in the secreted form. Dimeric IgA has a molecular weight of 390kDa. This antibody can form multimers and its polymerization is essential for transport across epithelia. IgA is crucial as the first line of defence. Limited digestion using papain cleaves the antibody into three fragments, two of which are identical and contain the antigen-binding activity. They are known as Fragment antigen binding (Fab) fragments. The third fragment does not possess antigen-binding activity and is known as fragment crystallizable (Fc). It interacts with cells and effector molecules. The heavy and light chains are folded into globular domains. VH, Cα1, Cα2 and Cα3 are the four domains in each heavy chain and VL and CL are the two domains in each light chain. IgA is found in mucus, tears and milk.

Especificidade

This product was prepared from monospecific antiserum by immunoaffinity chromatography using Ferret IgA coupled to agarose beads followed by solid phase adsorption(s) to remove any unwanted reactivities. Assay by immunoelectrophoresis resulted in a single precipitin arc against Anti-Goat Serum, Ferret IgA and Ferret Serum. No reaction was observed against Ferret IgG or Ferret IgM. Specificity was confirmed by ELISA at less than 1% cross reactivity against other Ferret heavy or light chain isotypes.

Imunogênio

Ferret IgA alpha heavy chain

propriedades físicas

Antibody format: IgG

forma física

Supplied in 0.1 M Sodium Borate, 0.075 M Sodium Chloride, 0.005 M EDTA, pH 8.0

Exoneração de responsabilidade

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.

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Código de classe de armazenamento

10 - Combustible liquids

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


Certificados de análise (COA)

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Structure and function relationships in IgA
JM Woof and MW Russel
Mucosal Immunology, 4, 590-597 (2011)
The function of immunoglobulin A in immunity.
Woof JM and Kerr MA.
Journal of pathogens, 208(2), 270-282 (2006)

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