Phospho-eIF4B (Ser406) Antibody - CD BioSciences

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Phospho-eIF4B (Ser406) Antibody

Phospho-eIF4B (Ser406) Antibody

SPA-03355

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Target Information
Target Name eIF4B
Gene Abbr. EIF4B
Gene ID 1975
Full Name eukaryotic translation initiation factor 4B
Alias EIF-4B, PRO1843
Introduction Eukaryotic initiation factor 4B (eIF4B) is thought to assist the eIF4F complex in translation initiation. In plants, eIF4B is known to interact with the poly-(A) binding protein, increasing its poly-(A) binding activity. Heat shock and serum starvation cause dephosphorylation of eIF4B at multiple sites with kinetics similar to those of the corresponding inhibition of translation, while phosphorylation of eIF4B following insulin treatment correlates well with an observed increase in translation. Multiple kinases, including p70 S6 kinase, can phosphorylate eIF4B in vitro, and at least one serum-inducible eIF4B phosphorylation site is sensitive to rapamycin and LY294002. Recently, Ser406 was identified as a novel phosphorylation site regulated by mitogens and the phosphorylation of this site is dependent on MEK and mTOR activity. This phosphorylation is shown to be essential for the translational activity of eIF4B.
Product Details
Host Rabbit
Clonality Monoclonal
Clone No. D1C10
Immunogen Synthetic phosphopeptide corresponding to residues surrounding Ser422 of human eIF4B.
Source/Purification Antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser422 of human eIF4B. Antibodies are purified by protein A and peptide affinity chromatography.
Usage
Application WB
Dilutions Western Blot (1:1000)
MW(KDa) 80
Reactivity Human, Mouse, Rat, Monkey
Sensitivity Endogenous
Specificity It detects eIF4B only when phosphorylated at Ser422.
Storage & Handling
Storage Buffer Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/mL BSA and 50% glycerol.
Preservative No Preservative
Storage Temp. Store at -20 °C.
Handling Do not aliquot the antibody.

For research use only. Not intended for any clinical use. No products from CD BioSciences may be resold, modified for resale or used to manufacture commercial products without prior written approval from CD BioSciences.