4E-BP1, Antibody

4EBP1; EIF4EBP1; Eukaryotic translation initiation factor 4E binding protein 1; Insulin-stimulated EIF-4E binding protein PHAS-I; P/OKCL.6; PHAS-1; PHAS-I

For Research Use Only. Not for use in diagnostic procedures.

Phospho-4E-BP1 (Thr36) Antibody detects endogenous levels of 4E-BP1 only when phosphorylated at Threonine 36

Immunogen affinity purified

In phosphate buffered saline, pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.

Store at-20 degree C for 1 year

Small volumes of anti-4E-BP1 antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

4E-BP1 binds to eIF4E, preventing its assembly into the EIF4F complex and inhibiting cap-dependent translation. Phosphorylation of 4E-BP1 disrupts this binding, activating cap-dependent translation.

Western Blot (WB), Immunohistochemistry (IHC)

WB: 1:500-1:2000
IHC: 1:50-1:200

Western blot analysis of 4E-BP1 phosphorylation expression in EGF treated MDA-MB-435 whole cell lysates, The lane on the left is treated with the antigen-specific peptide.

18kDa

eukaryotic translation initiation factor 4E binding protein 1

eukaryotic translation initiation factor 4E-binding protein 1

Eukaryotic translation initiation factor 4E-binding protein 1

4E-BP1; eIF4E-binding protein 1; PHAS-I  [Similar Products]

This gene encodes one member of a family of translation repressor proteins. The protein directly interacts with eukaryotic translation initiation factor 4E (eIF4E), which is a limiting component of the multisubunit complex that recruits 40S ribosomal subunits to the 5' end of mRNAs. Interaction of this protein with eIF4E inhibits complex assembly and represses translation. This protein is phosphorylated in response to various signals including UV irradiation and insulin signaling, resulting in its dissociation from eIF4E and activation of mRNA translation. [provided by RefSeq, Jul 2008]

Repressor of translation initiation that regulates EIF4E activity by preventing its assembly into the eIF4F complex: hypophosphorylated form competes with EIF4G1/EIF4G3 and strongly binds to EIF4E, leading to repress translation. In contrast, hyperphosphorylated form dissociates from EIF4E, allowing interaction between EIF4G1/EIF4G3 and EIF4E, leading to initiation of translation. Mediates the regulation of protein translation by hormones, growth factors and other stimuli that signal through the MAP kinase and mTORC1 pathways.

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