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Merck
모든 사진(1)

주요 문서

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

UNSPSC 코드:
12352203
NACRES:
NA.46

생물학적 소스

goat

결합

unconjugated

항체 형태

affinity isolated antibody

항체 생산 유형

secondary antibodies

클론

polyclonal

양식

buffered aqueous solution

종 반응성

ferret

농도

1.0 mg/mL

기술

immunohistochemistry: suitable
indirect ELISA: suitable
western blot: suitable

배송 상태

wet ice

저장 온도

2-8°C

타겟 번역 후 변형

unmodified

일반 설명

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.

특이성

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.

면역원

Ferret IgA alpha heavy chain

물리적 특성

Antibody format: IgG

물리적 형태

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

면책조항

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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Storage Class Code

10 - Combustible liquids

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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문서 라이브러리 방문

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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