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Merck

SAB4200745

Sigma-Aldrich

Anti-Protein A antibody, Mouse Monoclonal

clone SPA-27, purified from hybridoma cell culture

別名:

Anti-IgG binding protein A, Anti-SpA, Anti-Staphylococcal protein A, Anti-Staphylococcus ayreus protein A

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About This Item

UNSPSCコード:
12352203
NACRES:
NA.46

由来生物

mouse

品質水準

抗体製品の状態

purified from hybridoma cell culture

抗体製品タイプ

primary antibodies

クローン

SPA-27, monoclonal

形状

buffered aqueous solution

分子量

~42 kDa

化学種の反応性

Staphylococcus aureus

濃度

~1.0 mg/mL

テクニック

dot blot: suitable
flow cytometry: suitable
immunoblotting: suitable
immunofluorescence: suitable
immunoprecipitation (IP): 2.5-5 μg/test using purified protein A from Staphylococcus aureus
indirect ELISA: 0.25-0.5 μg/mL using 10 μg/mL of protein A from Staphylococcus aureus for coating. To reduce nonspecific binding we recommend on detection using a secondary anti-mouse, F(ab’)2 fragment antibody

アイソタイプ

IgG1

輸送温度

dry ice

保管温度

−20°C

ターゲットの翻訳後修飾

unmodified

関連するカテゴリー

詳細

Staphylococcus aureus protein A, also known as SpA or IgG binding protein A, is a 42 kDa single chain polypeptide isolated from the cell wall of S. aureus Cowan I strain. It consists of a single polypeptide chain containing five repetitive immunoglobulin-binding domains, rich in aspartic and glutamic acids.Anti-Protein A antibody, Mouse monoclonal (mouse IgG1 isotype) is derived from the SPA-27 hybridoma produced by the fusion of mouse myeloma cells and splenocytes from a BALB/c immunized mouse.

特異性

Monoclonal Anti-Protein A specifically recognizes Protein A from Staphylococcus aureus bacteria.

免疫原

Protein A from Staphylococcus aureus Cowan I strain

アプリケーション

The antibody may be used in various immunochemical techniques including immunoblotting, dot blot, ELISA, immunofluorescence, immunoprecipitation and flow cytometry (FACS).

生物化学的/生理学的作用

Protein A is considered as a universal reagent in biochemistry and immunology, due to its affinity for the Fc region of many mammalian immunoglobulins. It is used for different applications such as purification of immunoglobulins by affinity chromatography, cell surface studies, radioimmunoassay (RIA), enzyme immunoassay (EIA), immunoprecipitations and many other procedures. It can be used either in its native form, conjugated to various markers or serve as a tag for a specific protein of interest. In addition, protein A has low affinity to mouse monoclonal antibodies from IgG1 isotype. Thus, a monoclonal anti-protein A antibody of the mouse IgG1 isotype has an advantage due to its specific targeting and binding to protein A via its Fab fragment. Monoclonal anti-protein A antibody can serve a useful tool for quantification and visualization of S. aureus bacteria and bacterial contaminations in different examined samples and for detection of protein A tagged proteins.

物理的形状

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

保管および安定性

For continuous use, store at 2-8 °C for up to one month. For extended storage, freeze in working aliquots. Repeated freezing and thawing is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.

免責事項

This product is for R&D use only, not for drug, household, or other uses. Please consult the material safety data sheet (MSDS) for information regarding hazards and safe handling practices.

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保管分類コード

12 - Non Combustible Liquids

WGK

WGK 1

引火点(°F)

Not applicable

引火点(℃)

Not applicable


適用法令

試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。

Jan Code

SAB4200745-BULK:
SAB4200745-100UL:
SAB4200745-VAR:


試験成績書(COA)

製品のロット番号・バッチ番号を入力して、試験成績書(COA) を検索できます。ロット番号・バッチ番号は、製品ラベルに「Lot」または「Batch」に続いて記載されています。

以前この製品を購入いただいたことがある場合

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文書ライブラリにアクセスする

Spt6 is required for the fidelity of promoter selection
Doris S, et al.
Molecular Cell, 72(4), 687-699 (2018)
M Graille et al.
Proceedings of the National Academy of Sciences of the United States of America, 97(10), 5399-5404 (2000-05-11)
Staphylococcus aureus produces a virulence factor, protein A (SpA), that contains five homologous Ig-binding domains. The interactions of SpA with the Fab region of membrane-anchored Igs can stimulate a large fraction of B cells, contributing to lymphocyte clonal selection. To

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