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B0556

Sigma-Aldrich

Anti-B23 antibody, Mouse monoclonal

clone FC82291, purified from hybridoma cell culture

Synonyme(s) :

Anti-NPM, Anti-Nucleophosmin

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About This Item

Numéro MDL:
Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

mouse

Niveau de qualité

Conjugué

unconjugated

Forme d'anticorps

purified immunoglobulin

Type de produit anticorps

primary antibodies

Clone

FC82291, monoclonal

Forme

buffered aqueous solution

Poids mol.

antigen 37 kDa

Espèces réactives

rat, kangaroo rat, canine, bovine, human, mouse, monkey, hamster

Conditionnement

antibody small pack of 25 μL

Concentration

~0.5 mg/mL

Technique(s)

immunocytochemistry: suitable using 2% formaldehyde-acetone or 10% formalin/methanol-1% NP-40
immunoprecipitation (IP): suitable
indirect ELISA: suitable
western blot: 0.2-0.4 μg/mL using a whole extract of 3T3 (mouse fibroblasts) cells

Isotype

IgG1

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... NPM1(4869)
mouse ... Npm1(18148)
rat ... Npm1(25498)

Description générale

B23 (also known as NPM, nucleophosmin, numatrin or NO38) is a phosphoprotein, widely expressed in all cell types, and localized in granular regions of the nucleolus associated with pre-ribosomal particles. This protein was found to be involved in several nuclear functions such as assembly and/or intranuclear transport of preribosomal particles, cytoplasmic/nuclear trafficking, regulation of DNA polymerase A activity and centrosome duplication. Phosphorylation of B23 is mediated by a cyclin complex, CDK2/cyclin E.
Phosphorylation causes the dissociation of B23 from the centrosome and enables the duplication of the centrosome during cell mitosis. B23 was also found to be involved in pro-myelocytic leukemia in which the gene for B23 fuses with retinoic acid receptor a (RARa). As a consequence, a fusion protein (60-7 0 kDa) is produced containing parts of the two genes.

Spécificité

It detects both the phosphorylated and the unphosphorylated B23 molecule. The epitope recognized by the antibody lies within the 68 amino acids at the C-terminus of B23.

Immunogène

rat B23 (nucleophosmin, NPM, numatrin).

Application

The antibody may be used for ELISA, competitive ELISA, immunoblotting (37 kDa), immunoprecipitation, immunocytochemistry (2% formaldehyde-acetone 1,2,5 or 10% formalin/methanol-1% NP-40 and microinjection (blocks the initiation of centrosome duplication) and immunohistochemistry. Reactivity has been observed with human, monkey, bovine, dog, hamster (weak), rat,kangaroo rat, and mouse B23.

Forme physique

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 1% BSA and 15 mM sodium azide.

Notes préparatoires

Purified from culture supernatant of hybridoma cells grown in a bioreactor.

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 2

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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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Darya M Svistunova et al.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 60(2), 152-158 (2011-11-25)
It has been demonstrated elsewhere that a high concentration of an antigen within the nucleolus may prevent its proper recognition by specific antibodies. In this study, the authors found that a short proteinase treatment allowed for the detection of antigens
The linker histone H1. 2 is a novel component of the nucleolar organizer regions
Junjie C, et al.
The Journal of Biological Chemistry (2018)
Katharina Thanisch et al.
Nucleic acids research, 42(6), e38-e38 (2013-12-29)
Epigenetic regulation of gene expression involves, besides DNA and histone modifications, the relative positioning of DNA sequences within the nucleus. To trace specific DNA sequences in living cells, we used programmable sequence-specific DNA binding of designer transcription activator-like effectors (dTALEs).
Dynamic localization of alpha-tubulin acetyltransferase ATAT1 through the cell cycle in human fibroblastic KD cells
Nekooki-Machida, et al.
Medical Molecular Morphology, 1-10 (2018)
Jason A Pfister et al.
The Journal of biological chemistry, 291(39), 20787-20797 (2016-08-12)
NPM1 (nucleophosmin 1) is a nucleolar phosphoprotein that regulates many cellular processes, including ribosome biogenesis, proliferation, and genomic integrity. Although its role in proliferating cell types and tissues has been extensively investigated, little is known about its function in neurons

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