4E-BP1 (Phospho-Thr70) polyclonal antibody
Product Specifications
Background
Translation repressor protein 4E-BP1 (also known as PHAS-1) inhibits cap-dependent translation by binding to the translation initiation factor eIF4E. Hyperphosphorylation of 4E-BP1 disrupts this interaction and results in activation of cap-dependent translation. Both the PI3 kinase/Akt pathway and FRAP/mTOR kinase regulate 4E-BP1 activity. Multiple 4E-BP1 residues are phosphorylated in vivo. While phosphorylation by FRAP/mTOR at Thr37 and Thr46 does not prevent the binding of 4E-BP1 to eIF4E, it is thought to prime 4E-BP1 for subsequent phosphorylation at Ser65 and Thr70.
CAS Number
9007-83-4
Structure Composition
Rabbit IgG, 1mg/ml in PBS with 0.02% sodium azide, 50% glycerol, pH7.2.
Product Name Alternative
Eukaryotic translation initiation factor 4E-binding protein 1; 4E-BP1; eIF4E-binding protein 1; Phosphorylated heat- and acid-stable protein regulated by insulin 1; PHAS-I; EIF4EBP1
Swiss Prot
Q13541
Reactivity
Human
Immunogen
Synthetic phosphopeptide derived from human 4E-BP1 around the phosphorylation site of Threonine 70.
Conjugation
Unconjugated
Related Pathways
PI3K AKT signaling, Hypoxia Signaling, Insulin &Glucose Signaling, MTOR signaling
Applications
WB
Dilution
WB: 1:1000~1:2000
Purity
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen and the purity is > 95% (by SDS-PAGE) .
Modification
Phosphorylation
Molecular Weight
~ 18 kDa
Storage Conditions
Store at 4°C short term. Aliquot and store at -20°C long term. Avoid freeze-thaw cycles.
Notes
For research use only, not for use in diagnostic procedure.
Specificity
4E-BP1 (Phospho-Thr70) polyclonal antibody detects endogenous levels of 4E-BP1 protein only when phosphorylated at Thr70.
Applications Notes
Western blot (WB) analysis of 4E-BP1 (Phospho-Thr70) polyclonal antibody at 1:1000 dilution Lane1:HEK293T whole cell lysate (40ug) Lane2:HEK293T treated with 20% FBS for 30min whole cell lysate (40ug)
Host or Source
Rabbit
Available Sizes
Curated Selection
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