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Key Documents

HPA002568

Sigma-Aldrich

Anti-PPP4R3A antibody produced in rabbit

Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution

Synonym(s):

Anti-FLFL1, Anti-FLJ20707, Anti-KIAA2010, Anti-MSTP033, Anti-PP4R3, Anti-SMEK1, Anti-smk-1, Anti-smk1

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About This Item

UNSPSC Code:
12352203
Human Protein Atlas Number:
NACRES:
NA.43

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

product line

Prestige Antibodies® Powered by Atlas Antibodies

form

buffered aqueous glycerol solution

species reactivity

human

technique(s)

immunofluorescence: 0.25-2 μg/mL
immunohistochemistry: 1:200-1:500

immunogen sequence

DGEAVVSPSDKTKNDDDIMDPISKFMERKKLKESEEKEVLLKTNLSGRQSPSFKLSLSSGTKTNLTSQSSTTNLPGSPGSPGSPGSPGSPGSVPKNTSQTAAITTKGGLVGLVDYPDDDEDDDEDEDK

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... SMEK1(55671)

Immunogen

protein phosphatase 4, regulatory subunit 3A

Application

All Prestige Antibodies Powered by Atlas Antibodies are developed and validated by the Human Protein Atlas (HPA) project and as a result, are supported by the most extensive characterization in the industry.

The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. The antibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. We also provide Prestige Antibodies® protocols and other useful information.

Biochem/physiol Actions

SMEK1 (SMEK homolog 1) is a regulatory subunit of serine/threonine-protein phosphatase 4. It regulates the activity of PP4C (protein phosphatase 4 catalytic subunit) at centrosomal microtubule organizing centers. It forms a complex with PP4C, PP4R2, and PP4R3β that dephosphorylates ATR (ataxia telangiectasia and Rad3 related)-mediated γ-H2AX (histone H2A variant) which is generated during DNA replication. In association with BLU (Bendless-like ubiquitin-conjugating enzyme), a tumor suppressor gene, SMEK1 acts in the transcriptional regulation. It also plays an important role in histone deacetylation and Wnt silencing, essential for embryonic stem cells (ESCs) pluripotency maintenance.

Features and Benefits

Prestige Antibodies® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.

Every Prestige Antibody is tested in the following ways:
  • IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
  • Protein array of 364 human recombinant protein fragments.

Linkage

Corresponding Antigen APREST70552

Physical form

Solution in phosphate-buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide

Legal Information

Prestige Antibodies is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

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

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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Ruo-Nan Duan et al.
Journal of neuroinflammation, 18(1), 145-145 (2021-06-30)
Experimental autoimmune encephalomyelitis (EAE) is an animal disease model of multiple sclerosis (MS) that involves the immune system and central nervous system (CNS). However, it is unclear how genetic predispositions promote neuroinflammation in MS and EAE. Here, we investigated how
Seung Myung Dong et al.
Cellular signalling, 24(6), 1208-1214 (2012-02-22)
BLU is a tumor suppressor that acts as a transcriptional regulator through the association with cellular components. However, the working mechanism of BLU in cellular functions was not understood. We found that BLU directly interacts with sMEK1, a regulatory subunit
Dipanjan Chowdhury et al.
Molecular cell, 31(1), 33-46 (2008-07-11)
The histone H2A variant H2AX is rapidly phosphorylated in response to DNA double-stranded breaks to produce gamma-H2AX. gamma-H2AX stabilizes cell-cycle checkpoint proteins and DNA repair factors at the break site. We previously found that the protein phosphatase PP2A is required
Jungmook Lyu et al.
Cell research, 21(6), 911-921 (2011-03-23)
In embryonic stem cells (ESCs), Wnt-responsive development-related genes are silenced to maintain pluripotency and their expression is activated during differentiation. Acetylation of histones by histone acetyltransferases stimulates transcription, whereas deacetylation of histones by HDACs is correlated with transcriptional repression. Although
Fei Gao et al.
Disease models & mechanisms, 15(6) (2022-03-23)
Chronic stress is one of the main risk factors for the onset of major depressive disorder. Chronic unpredictable mild stress results in reduced expression of synaptic proteins and depression-like behaviors in rodent models. However, the upstream molecule that senses the

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