eIF4E (phospho S209) antibody (ab47605)

Product Name 

eIF4E (phospho S209) antibody

Product type 

Primary antibodies

Description 

Rabbit polyclonal to eIF4E (phospho S209)

Immunogen 

A synthesized phosphopeptide derived from human elF4E around the phosphorylation site of serine 209 (S-G-S^P-T-T)

Reacts with 
(species key)

Hu, Ms, Rat

Specificity 

This antibody is specific for elF4E, only when phosphorylated at serine 209.

Tested applications 
(see key)

ELISA, IHC-P, WB

Abreviews 

Customer reviews (see key)

Read about Abreviews

Application notes 
(see key)

Recommended dilutions
ELISA: 1/20000.
IHC-P: 1/50 - 1/100.
WB: 1/500 - 1/1000. Detects a band of approximately 25 kDa (predicted molecular weight: 25 kDa).

Not yet tested in other applications.
Optimal dilutions/concentrations should be determined by the end user.

Positive control 
(see definition)

WB: Extracts from NIH/3T3 cells
IHC: Human breast carcinoma tissue

Cellular localization 

Cytoplasmic

Research areas 

Chromatin and Nuclear Signaling >> RNAi >> Eukaryotic Initiation factors (eIF's)
Chromatin and Nuclear Signaling >> DNA / RNA >> RNA Processing >> RNAi
Chromatin and Nuclear Signaling >> DNA / RNA >> Translation >> Regulation

Relevance 

eIF4E, a protein modulates translation of maternal mRNAs in early embryos before the onset of zygotic transcription. eIF4E also influences the overall rate of translation. eIF4E binds to the 7 methyl GTP cap structure of eukaryotic mRNAs. Phosphorylation of eIF4E on serine 209 regulates the affinity of this protein for the 7 methyl GTP cap and/or RNA. Phosphorylation also enhances the interaction of eIF4E with eIF4G, which form a complex known as eIF4F. eIF4E phosphorylation is correlated with increased translational rate in a number of cell types. Several kinases are currently being investigated as potential regulators of eIF4E including PKC and/or the MAP kinase activated Mnk.

Database links 

Raised in 

Rabbit

Clonality 

Polyclonal

Isotype 

IgG

Purity 

Immunogen affinity purified

Storage buffer 

Preservative: 0.02% Sodium Azide
Constituents: 50% Glycerol, PBS, 150mM Sodium chloride, pH 7.4

Material safety datasheets (MSDS) for this product:
Glycerol MSDS
Sodium Azide MSDS

Purification notes 

The antibody was affinity purified from rabbit antiserum by affinity chromatography using epitope specific phosphopeptide. The antibody against non phosphopeptide was removed by chromatography using non phosphopeptide corresponding to the phosphorylation site.

Form 

Liquid

Concentration 

1.000 mg/ml

Storage instructions 

Shipped at 4°C. Upon delivery aliquot and store at -20°C. Avoid freeze / thaw cycles.

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