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Anti-phospho-4EBP1 (Thr45)(E35-365R)

Anti-phospho-4EBP1 (Thr45)(E35-365R)

  • $325.00


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Description :Rabbit Polyclonal Antibody

Species :

Tag :

Expression System:

Sequence :

Specificity :Recognizes the 4EBP1 protein phosphorylated at threonine 45

Cited Applications :WB, IHC

Cross Reactivity :Human, Mouse and Rat

Host / Isotype / Clone# :Rabbit, IgG

Immunogen :Synthetic phospho-peptide corresponding to amino acid residues surrounding Thr45

Purification :Affinity chromatography

Stability :Store at 4oC (add 0.1% NaN3) for several months, and at -20oC for longer periods. For optimal storage, aliquot target into smaller quantities after centrifugation and store at recommended temperature. For most favorable performance, avoid repeated handling and multiple freeze/thaw cycles.

Sample Data :Western blot analysis of extracts from MDA435 cells untreated or treated with EGF (200nm, 5min) using 4EBP1 antibody (lanes 1 and 2) and anti-phospho-4EBP1 (Thr45) antibody (lanes 3 and 4).

Sample Data :Immunohistochemical analysis of paraffin-embedded human breast carcinoma tissue using anti-phospho-4EBP1 (Thr45) antibody.

Scientific Background :The translational repressor protein 4EBP1 interacts directly with eukaryotic translation initiation factor 4E (EIF4E). This interaction inhibits the formation of the multi-subunit complex that recruits 40S ribosomal subunits to the 5' end of mRNAs thus preventing cap-dependent translation. Hyperphosphorylation of 4EBP1 disrupts its binding with EIF4E (1). Treating adipose cells with insulin leads to increased 4EBP1 phosphorylation (1). 4EBP1 is expressed in most tissues, with high levels detected in adipose tissue, pancreas and skeletal muscle (2). 4EBP1 is phosphorylated at several residues including Thr45 in response to the phorbol ester TPA.

References :
1. Pause, A. et al: Insulin-dependent stimulation of protein synthesis by phosphorylation of a regulator of 5-prime-cap function. Nature371: 762-767, 1994.
,br>2. Tsukiyama-Kohara, K. et al: Tissue distribution, genomic structure, and chromosome mapping of mouse and human eukaryotic initiation factor 4E-binding proteins 1 and 2. Genomics38: 353-363, 1996.

Product Sheets (By Lot #) :

J1178-1.pdf

Research Areas :Metabolic Disorder, Cancer, Angiogenesis, AKT/PKB Pathway, Cancer, Metabolic Disorder, AKT/PKB Pathway, Angiogenesis