E0157
Anti-eIF2α antibody produced in rabbit
IgG fraction of antiserum, buffered aqueous solution
Sinônimo(s):
Anti-EIF2, Anti-EIF2S1, Anti-Eukaryotic translation initiation factor 2, subunit 1, Anti-eIF-2A
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About This Item
Código UNSPSC:
12352203
NACRES:
NA.41
Produtos recomendados
fonte biológica
rabbit
conjugado
unconjugated
forma do anticorpo
IgG fraction of antiserum
tipo de produto de anticorpo
primary antibodies
clone
polyclonal
Formulário
buffered aqueous solution
peso molecular
antigen ~35 kDa
reatividade de espécies
human
técnica(s)
immunohistochemistry: 1:250 using human cerebral cortex sections
western blot: 1:250-1:500 using PC-12 cell lysate
nº de adesão UniProt
Condições de expedição
dry ice
temperatura de armazenamento
−20°C
modificação pós-traducional do alvo
unmodified
Informações sobre genes
human ... EIF2S1(1965)
Descrição geral
The eukaryotic translation initiation factor 2 subunit α (EIF2A) gene is mapped to human chromosome 14q23.3. The eukaryotic translation initiation factor 2 (eIF2), a multimeric protein is composed of three subunits termed α, β, and γ.
Especificidade
Anti-eIF2α (also known as eIF-2A) recognizes human eIF2α.
Aplicação
Anti-eIF2α antibody produced in rabbit has been used in western blotting.
Anti-elF2α antibody is also suitable for immunohistochemistry at a working dilution of 1:250 using human cerebral cortex sections.
Anti-elF2α antibody is also suitable for immunohistochemistry at a working dilution of 1:250 using human cerebral cortex sections.
Anti-eIF2α antibody produced in rabbit is suitable for immunoblotting at a working dilution of 1:250-1:500 using PC-12 cell lysate. It was used as a primary antibody to detect eIF2α in a study.
Ações bioquímicas/fisiológicas
Increased eIF2α phosphorylation has been observed in Alzheimer′s disease. Viral infections are also known to induce eIF2α phosphorylation.
The main role of eIF2 complex is to transfer Met-tRNAi in the presence of GTP to the 40S ribosomal subunit during the initiation of translation. Regulation of the initiation of translation at the level of eIF2 involves the phosphorylation of eIF2α at a conserved Ser51 residue. This leads to inhibition of eIF2β activity, thus reducing guanine nucleotide exchange and consequently, the translation rate. Protein synthesis inhibition at the level of eIF2α phosphorylation is linked to a variety of cell stress signaling pathways via specific kinases. Phosphorylation of eIF2α reduces the rate of translation and gives the cell time to correct the stress damage, and selectively enhance the translation of genes important for stress remedy.
forma física
Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.
Armazenamento e estabilidade
For continuous use, store at 2–8 °C for up to one month. For extended storage, freeze in working aliquots. Repeated freezing and thawing, or storage in “frost-free” freezers, is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilutions should be discarded if not used within 12 hours.
Exoneração de responsabilidade
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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Código de classe de armazenamento
10 - Combustible liquids
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
Equipamento de proteção individual
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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Rita Spilka et al.
Cancer letters, 340(1), 9-21 (2013-07-09)
Eukaryotic gene expression is a complicated process primarily regulated at the levels of gene transcription and mRNA translation. The latter involves four main steps: initiation, elongation, termination and recycling. Translation regulation is primarily achieved during initiation which is orchestrated by
Anton A Komar et al.
International journal of molecular sciences, 21(6) (2020-03-21)
Initiation of protein synthesis in eukaryotes is a complex process requiring more than 12 different initiation factors, comprising over 30 polypeptide chains. The functions of many of these factors have been established in great detail; however, the precise role of
Yuanzhi Liu et al.
Virology journal, 17(1), 112-112 (2020-07-25)
eIF2α is a regulatory node that controls protein synthesis initiation by its phosphorylation or dephosphorylation. General control nonderepressible-2 (GCN2), protein kinase R-like endoplasmic reticulum kinase (PERK), double-stranded RNA (dsRNA)-dependent protein kinase (PKR) and heme-regulated inhibitor (HRI) are four kinases that
R C Wek
Trends in biochemical sciences, 19(11), 491-496 (1994-11-01)
Phosphorylation of eukaryotic initiation factor-2 (eIF-2) is an important mechanism regulating general translation initiation. Two mammalian eIF-2 kinases, the double-stranded-RNA-dependent kinase (PKR) and heme-regulated inhibitor kinase (HRI), have been characterized by sequencing, revealing shared sequence and structural features distinct from
R C Wek et al.
Biochemical Society transactions, 34(Pt 1), 7-11 (2005-10-26)
In response to environmental stresses, a family of protein kinases phosphorylate eIF2 (eukaryotic initiation factor 2) to alleviate cellular injury or alternatively induce apoptosis. Phosphorylation of eIF2 reduces global translation, allowing cells to conserve resources and to initiate a reconfiguration
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