Home  >  Products  >  4E Binding Protein 1 (4E-BP1), phosphorylated (pT37) (4EBP1, 4E-BP1, Protein Synthesis Initiation Factor 4E Binding Protein, eIF-4EBP1, PHAS-1, PHAS-I, Eukaryotic Translation Initiation Factor BP)
4E Binding Protein 1 (4E-BP1), phosphorylated (pT37) (4EBP1, 4E-BP1, Protein Synthesis Initiation Factor 4E Binding Protein, eIF-4EBP1, PHAS-1, PHAS-I, Eukaryotic Translation Initiation Factor BP)

4E Binding Protein 1 (4E-BP1), phosphorylated (pT37) (4EBP1, 4E-BP1, Protein Synthesis Initiation Factor 4E Binding Protein, eIF-4EBP1, PHAS-1, PHAS-I, Eukaryotic Translation Initiation Factor BP)

Cat no: 0004-19E

Supplier: United States Biological
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4E-BP1 (eIF4E-binding protein) also known as PHAS, is a 10-12kD acidic protein that compete with eIF4G for binding of eiF4E to the mRNA 5 cap structure (1). Binding of the 4E-BPs to eIF4E is reversible and is dependent on the phosphorylation status of 4E-BP. Non-phosphorylated 4E- BP1 will bind strongly to eiF4E while, the phosphorylated form will no (2)t. Akt, TOR, MAP kinase, S6 kinase, and Cdc2 are known kinases capable of inactivating 4E-BP1 binding to eIF4E by phosphorylating either threonines 35, 45, 69 or serine 65. Although, not all phosphorylation events equally block the 4EBP1-eIF4E interaction. Applications: Suitable for use in Western Blot. Other applications not tested. Recommended Dilutions: Western Blot: 1:1000-2000 Optimal dilution determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. For long-term storage, store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees 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. Manufactured incorporating RabMAb(R) technology under Epitomics US patents, No 5,675,063 and 7,429,487, owned by Abcam.
Catalogue number: 0004-19E
Reactivities: Human, Mouse
Hosts: Rabbit
Applications: Western Blot
Size: 100ul
Form: Supplied as a liquid in 50mM Tris-Glycine, pH 7.4, 0.15M sodium chloride, 0.01% sodium azide, 0.05% BSA, 40% glycerol.
P type: Mab
Isotype: IgG
Purity: Serum
References: 1. Pause, A., et al. 1994. Nature 371: 762-767. 2. Gingras, A.-C., et al. Genes & Dev. 12: 502-513, 1998 3. Iritani, BM et al. (1999) Proc. Natl. Acad. Sci. U. S. A. 96, 13180
Additional info: Recognizes human 4E-BP1 phosphorylated at threonine 37. Species Crossreactivity: mouse

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