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You are here:Home » Antibodies » Abs to Translation Initiation Factors » Anti -4E Binding Protein 1 (Protein Synthesis Initiation Factor 4E Binding Protein, eIF-4EBP1, PHAS-1, PHAS-I, Eukaryotic Translation Initiation Factor BP)

Anti -4E Binding Protein 1 (Protein Synthesis Initiation Factor 4E Binding Protein,
eIF-4EBP1, PHAS-1, PHAS-I, Eukaryotic Translation Initiation Factor BP)

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Specifications

Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified B IP
4E-BP1 (also known as PHAS-1) normally binds eIF4E, inhibiting cap-dependent translation. Hyperphosphorylation of 4E-BP1 disrupts this binding, activating cap-dependent translation (1). The PI3 kinase/Akt pathway and FRAP/mTOR kinase regulate 4E-BP1 (2,3). 4E-BP1 is phosphorylated in vivo on multiple residues (4); phosphorylation by FRAP/mTOR on Thr37 and Thr46 of human 4E-BP1 may prime it for subsequent phosphorylation at sites including Ser65 and Thr70 (5).
Catalog #0004-18
ApplicationsSuitable for use in Immunoprecipitation and Western Blot. Other applications not tested.
Recommended DilutionWestern Blot: 1:1000
Immunoprecipitation: 1:50
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypePolyclonal
IsotypeIgG
HostRabbit
SourceHuman
ConcentrationNot determined.
FormSupplied as a liquid in 10mM sodium HEPES, pH 7.5, 150mM sodium chloride, 0.1mg/ml BSA, 50% glycerol.
PurityPurified by protein A and peptide affinity chromatography.
ImmunogenSynthetic peptide (KLH coupled) corresponding to residues surrounding Ser112 of human 4E-BP1. MW of Antigen: 15-20kD.
SpecificityDetects endogenous levels of total 4E-BP1 independent of phosphorylation. Species Crossreactivity: Human, mouse, rat and monkey.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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