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Key Documents

SAB2500814

Sigma-Aldrich

Anti-PPP1R15A/GADD34 antibody produced in goat

affinity isolated antibody, buffered aqueous solution

Synonym(s):

Anti-GADD34, Anti-Growth arrest and DNA-damage-inducible 34, Anti-Protein phosphatase 1

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

goat

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

species reactivity

human

technique(s)

immunohistochemistry: suitable
indirect ELISA: suitable
western blot: suitable

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

General description

Protein phosphatase 1 regulatory subunit 15A (PPP1R15A) or growth arrest and DNA-damage-inducible 34 (GADD34) is the regulatory subunit of eukaryotic translation initiation factor 2 (eIF2α) phosphatase. It is expressed when there is a signal indicating endoplasmic reticulum stress. The PPP1R15A gene is localized on human chromosome 19q13.33.

Immunogen

Peptide with sequence C-AAALDLSGRRG from the C Terminus of the protein sequence according to NP_055145.2.

Biochem/physiol Actions

Protein phosphatase 1 regulatory subunit 15A (PPP1R15A) recruits and regulates the α-subunit of protein phosphatase 1 (PP1). It functions as a stress marker. When there is depletion in amino acid levels in the cell, PPP1R15A is expressed in high concentrations. It regulates the mammalian target of rapamycin (mTOR) pathway and thereby boosts autophagy in macrophages. Studies have shown that PPP1R15A is expressed in the oligodendrocytes of patients suffering from Alzheimer′s disease.

Features and Benefits

Evaluate our antibodies with complete peace of mind. If the antibody does not perform in your application, we will issue a full credit or replacement antibody. Learn more.

Physical form

Supplied at 0.5 mg/mL in Tris saline with 0.02% sodium azide and 0.5% bovine serum albumin.

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 Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Increased GADD34 in oligodendrocytes in Alzheimer's disease.
Honjo Y, et al.
Neuroscience Letters, 602, 50-55 (2015)
Wei Zhou et al.
The Journal of biological chemistry, 288(46), 33146-33155 (2013-10-05)
In mammalian cells, metabolic and environmental stress increases the phosphorylation of the eukaryotic translational initiation factor, eIF2α, and attenuates global protein synthesis. Subsequent transcriptional activation of GADD34 assembles an eIF2α phosphatase that feeds back to restore mRNA translation. Active proteasomal
Oliver Kepp et al.
Cell cycle (Georgetown, Tex.), 8(23), 3971-3977 (2009-11-11)
In response to some chemotherapeutic agents, tumor cells can translocate calreticulin (CRT), which is usually contained in the lumen of the endoplasmic reticulum, to the surface of the plasma membrane. This effect requires the phosphorylation of the eukaryotic initiation factor
Motonao Nakao et al.
Oncology reports, 25(6), 1603-1611 (2011-04-07)
The aim of the present study was to investigate the chromosomal aberrations that are linked with the crucial clinicopathological features of colorectal cancer (CRC) and its prognosis by array-based comparative genomic hybridization (CGH). Fresh-frozen tumor tissues of 94 cases of
Sachiko Ito et al.
Scientific reports, 5, 8327-8327 (2015-02-11)
Autophagy is a common physiological function in all eukaryotes. The process is induced by depletion of nutrients including amino acids. GADD34 is expressed following DNA damage, ER stresses and amino acid deprivation. Here, we investigated the effects of GADD34 on

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