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MABF222

Sigma-Aldrich

Anti-IKKa (p45) Antibody, clone 881H3

clone 881H3, from mouse

Synonyme(s) :

Inhibitor of nuclear factor kappa-B kinase subunit alpha, I-kappa-B kinase alpha, IKK-A, IKK-alpha, IkBKA, IkappaB kinase, Conserved helix-loop-helix ubiquitous kinase, I-kappa-B kinase 1, IKK1, Nuclear factor NF-kappa-B inhibitor kinase alpha, NFKBIKA,

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About This Item

Code UNSPSC :
12352203
eCl@ss :
32160702
Nomenclature NACRES :
NA.41

Source biologique

mouse

Niveau de qualité

Forme d'anticorps

purified immunoglobulin

Type de produit anticorps

primary antibodies

Clone

881H3, monoclonal

Espèces réactives

human

Technique(s)

immunohistochemistry: suitable (paraffin)
immunoprecipitation (IP): suitable
western blot: suitable

Isotype

IgG2aκ

Numéro d'accès NCBI

Numéro d'accès UniProt

Conditions d'expédition

wet ice

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... CHUK(1147)

Description générale

The protein named Inhibitor of nuclear factor kappa-B kinase subunit alpha, or alternatively I-kappa-B kinase alpha, IKK-A, IKK-alpha, IKKa (p45), IkBKA, IkappaB kinase, I-kappa-B kinase 1, IKK1, NF-kappa-B inhibitor kinase alpha, NFKBIKA, or transcription factor 16 (TCF-16) and encoded by the human gene CHUK/IKKA/TCF16 is a serine kinase that plays an essential role in the NF-kappa-B signaling pathway. IKKa(p45) acts as part of a complex that phosphorylates inhibitors of the NF-kappa-B. This allows then the polyubiquitination of the inhibitors and their subsequent degradation. Free NF-kappa-B is translocated into the nucleus and performs its gene activation functions governing everything from the immune response to growth and cell survival. IKKa(p45) can be found expressed in most tissues and localizes to both the cytoplasm and nucleus depending upon the microenvironment. Defects in IKKa(p45) are associated with a lethal fetal syndrome called by Cocoon syndrome where the fetus has multiple malformations including limbs bound to the trunk and encased under the skin.

Spécificité

This antibody preferentially binds both the p45 fragment of IKKa (~45 kDa) as well as the full-length non-denatured form (~80-85 kDa). This antibody shows better preferential binding to the p45 fragment by immunoprecipitation, and detects both forms of IKKa by western blot.

Immunogène

Conjugated linear peptide corresponding to human IKKa (p45).

Application

Immunohistochemistry Analysis: A 1:50 dilution from a representative lot detected IKKa (p45) in human kidney and tonsil tissues.

Immunoprecipitation Analysis: A representative lot from an independent laboratory immunoprecipitated IKKa (p45) from HCT116 cell lysate (Margalef, P., et al. (2012). Cell Rep. 2(40):840-854).

Immunohistochemistry Analysis: A representative lot from an independent laboratory detected IKKa (p45) in human intestinal mucosa, adenoma, and carcinoma tissues (Margalef, P., et al. (2012). Cell Rep. 2(40):840-854.).

Western Blotting Analysis: A previous lot of this antibody detected the truncated p45-IKKa form observed at ~45 kDa in WT MEF cell lysate, but less so in the KO MEFs, and the full length non-denatured protein at ~80-85 kDa. A non-specific band at ~75 kDa is detected.

Immunoprecipitation Analysis: A previous lot of this antibody immunoprecipiated the truncated p45-IKKa form observed at ~45 kDa.
Research Category
Inflammation & Immunology
Research Sub Category
Inflammation & Autoimmune Mechanisms
This Anti-IKKa (p45) Antibody, clone 881H3 is validated for use in western blotting, IHC (Paraffin) & IP for the detection of IKKa (p45).

Qualité

Evaluated by Western Blotting in HCT116 cell lysate.

Western Blotting Analysis: 1 µg/mL of this antibody detected IKKa (p45) in 10 µg of HCT116 cell lysate.

Description de la cible

~80-85 kDa & ~45 kDa observed. The full length non-denatured protein may be observed at ~80-85 kDa, whereas the truncated p45-IKKa fragment may be observed at ~45 kDa in some lysates. A non-specific band at ~75 kDa may also be observed in some lysates.

Forme physique

Format: Purified
Protein G Purified
Purified mouse monoclonal IgG2aκ in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Stockage et stabilité

Stable for 1 year at 2-8°C from date of receipt.

Autres remarques

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Clause de non-responsabilité

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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Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

Pol Margalef et al.
Cell reports, 2(4), 840-854 (2012-10-09)
Nuclear IKKα regulates gene transcription by phosphorylating specific substrates and has been linked to cancer progression and metastasis. However, the mechanistic connection between tumorigenesis and IKKα activity remains poorly understood. We have now analyzed 288 human colorectal cancer samples and
Carlota Colomer et al.
Molecular cell, 75(4), 669-682 (2019-07-16)
Phosphorylated IKKα(p45) is a nuclear active form of the IKKα kinase that is induced by the MAP kinases BRAF and TAK1 and promotes tumor growth independent of canonical NF-κB signaling. Insights into the sources of IKKα(p45) activation and its downstream

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