EIF4EBP1

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Identifiers
Aliases
External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
Entrez

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Ensembl

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UniProt

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RefSeq (mRNA)

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RefSeq (protein)

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Location (UCSC)n/an/a
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Wikidata
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Eukaryotic translation initiation factor 4E-binding protein 1 (also known as 4E-BP1) is a protein that in humans is encoded by the EIF4EBP1 gene.[1]

Function

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 cap-dependent mRNA translation.[2]

Interactions

EIF4EBP1 has been shown to interact with:

References

  1. ↑ Pause A, Belsham GJ, Gingras AC, Donzé O, Lin TA, Lawrence JC, Sonenberg N (November 1994). "Insulin-dependent stimulation of protein synthesis by phosphorylation of a regulator of 5'-cap function". Nature. 371 (6500): 762–767. doi:10.1038/371762a0. PMID 7935836.
  2. ↑ "Entrez Gene: EIF4EBP1 eukaryotic translation initiation factor 4E binding protein 1".
  3. ↑ Rual JF, Venkatesan K, Hao T, Hirozane-Kishikawa T, Dricot A, Li N, Berriz GF, Gibbons FD, Dreze M, Ayivi-Guedehoussou N, Klitgord N, Simon C, Boxem M, Milstein S, Rosenberg J, Goldberg DS, Zhang LV, Wong SL, Franklin G, Li S, Albala JS, Lim J, Fraughton C, Llamosas E, Cevik S, Bex C, Lamesch P, Sikorski RS, Vandenhaute J, Zoghbi HY, Smolyar A, Bosak S, Sequerra R, Doucette-Stamm L, Cusick ME, Hill DE, Roth FP, Vidal M (October 2005). "Towards a proteome-scale map of the human protein-protein interaction network". Nature. 437 (7062): 1173–8. doi:10.1038/nature04209. PMID 16189514.
  4. ↑ Ewing RM, Chu P, Elisma F, Li H, Taylor P, Climie S, McBroom-Cerajewski L, Robinson MD, O'Connor L, Li M, Taylor R, Dharsee M, Ho Y, Heilbut A, Moore L, Zhang S, Ornatsky O, Bukhman YV, Ethier M, Sheng Y, Vasilescu J, Abu-Farha M, Lambert JP, Duewel HS, Stewart II, Kuehl B, Hogue K, Colwill K, Gladwish K, Muskat B, Kinach R, Adams SL, Moran MF, Morin GB, Topaloglou T, Figeys D. "Large-scale mapping of human protein-protein interactions by mass spectrometry". Mol. Syst. Biol. 3: 89. doi:10.1038/msb4100134. PMC 1847948. PMID 17353931.
  5. ↑ Mader S, Lee H, Pause A, Sonenberg N (September 1995). "The translation initiation factor eIF-4E binds to a common motif shared by the translation factor eIF-4 gamma and the translational repressors 4E-binding proteins". Mol. Cell. Biol. 15 (9): 4990–7. PMC 230746. PMID 7651417.
  6. ↑ Rao RD, Mladek AC, Lamont JD, Goble JM, Erlichman C, James CD, Sarkaria JN (October 2005). "Disruption of parallel and converging signaling pathways contributes to the synergistic antitumor effects of simultaneous mTOR and EGFR inhibition in GBM cells". Neoplasia. 7 (10): 921–9. doi:10.1593/neo.05361. PMC 1502028. PMID 16242075.
  7. ↑ 7.0 7.1 Eguchi S, Tokunaga C, Hidayat S, Oshiro N, Yoshino K, Kikkawa U, Yonezawa K (July 2006). "Different roles for the TOS and RAIP motifs of the translational regulator protein 4E-BP1 in the association with raptor and phosphorylation by mTOR in the regulation of cell size". Genes Cells. 11 (7): 757–66. doi:10.1111/j.1365-2443.2006.00977.x. PMID 16824195.
  8. ↑ Yang D, Brunn GJ, Lawrence JC (June 1999). "Mutational analysis of sites in the translational regulator, PHAS-I, that are selectively phosphorylated by mTOR". FEBS Lett. 453 (3): 387–90. doi:10.1016/s0014-5793(99)00762-0. PMID 10405182.
  9. ↑ Patel J, McLeod LE, Vries RG, Flynn A, Wang X, Proud CG (June 2002). "Cellular stresses profoundly inhibit protein synthesis and modulate the states of phosphorylation of multiple translation factors". Eur. J. Biochem. 269 (12): 3076–85. doi:10.1046/j.1432-1033.2002.02992.x. PMID 12071973.
  10. ↑ Kumar V, Sabatini D, Pandey P, Gingras AC, Majumder PK, Kumar M, Yuan ZM, Carmichael G, Weichselbaum R, Sonenberg N, Kufe D, Kharbanda S (April 2000). "Regulation of the rapamycin and FKBP-target 1/mammalian target of rapamycin and cap-dependent initiation of translation by the c-Abl protein-tyrosine kinase". J. Biol. Chem. 275 (15): 10779–87. doi:10.1074/jbc.275.15.10779. PMID 10753870.
  11. ↑ Kumar V, Pandey P, Sabatini D, Kumar M, Majumder PK, Bharti A, Carmichael G, Kufe D, Kharbanda S (March 2000). "Functional interaction between RAFT1/FRAP/mTOR and protein kinase cdelta in the regulation of cap-dependent initiation of translation". EMBO J. 19 (5): 1087–97. doi:10.1093/emboj/19.5.1087. PMC 305647. PMID 10698949.
  12. ↑ Gingras AC, Gygi SP, Raught B, Polakiewicz RD, Abraham RT, Hoekstra MF, Aebersold R, Sonenberg N (June 1999). "Regulation of 4E-BP1 phosphorylation: a novel two-step mechanism". Genes Dev. 13 (11): 1422–37. doi:10.1101/gad.13.11.1422. PMC 316780. PMID 10364159.
  13. ↑ Connolly E, Braunstein S, Formenti S, Schneider RJ (May 2006). "Hypoxia inhibits protein synthesis through a 4E-BP1 and elongation factor 2 kinase pathway controlled by mTOR and uncoupled in breast cancer cells". Mol. Cell. Biol. 26 (10): 3955–65. doi:10.1128/MCB.26.10.3955-3965.2006. PMC 1489005. PMID 16648488.
  14. ↑ Shen X, Tomoo K, Uchiyama S, Kobayashi Y, Ishida T (October 2001). "Structural and thermodynamic behavior of eukaryotic initiation factor 4E in supramolecular formation with 4E-binding protein 1 and mRNA cap analogue, studied by spectroscopic methods". Chem. Pharm. Bull. 49 (10): 1299–303. doi:10.1248/cpb.49.1299. PMID 11605658.
  15. ↑ Adegoke OA, Chevalier S, Morais JA, Gougeon R, Kimball SR, Jefferson LS, Wing SS, Marliss EB (January 2009). "Fed-state clamp stimulates cellular mechanisms of muscle protein anabolism and modulates glucose disposal in normal men". Am. J. Physiol. Endocrinol. Metab. 296 (1): E105–13. doi:10.1152/ajpendo.90752.2008. PMC 2636991. PMID 18957614.
  16. ↑ 16.0 16.1 Schalm SS, Fingar DC, Sabatini DM, Blenis J (May 2003). "TOS motif-mediated raptor binding regulates 4E-BP1 multisite phosphorylation and function". Curr. Biol. 13 (10): 797–806. doi:10.1016/s0960-9822(03)00329-4. PMID 12747827.
  17. ↑ 17.0 17.1 Hara K, Maruki Y, Long X, Yoshino K, Oshiro N, Hidayat S, Tokunaga C, Avruch J, Yonezawa K (July 2002). "Raptor, a binding partner of target of rapamycin (TOR), mediates TOR action". Cell. 110 (2): 177–89. doi:10.1016/s0092-8674(02)00833-4. PMID 12150926.
  18. ↑ 18.0 18.1 Wang L, Rhodes CJ, Lawrence JC (August 2006). "Activation of mammalian target of rapamycin (mTOR) by insulin is associated with stimulation of 4EBP1 binding to dimeric mTOR complex 1". J. Biol. Chem. 281 (34): 24293–303. doi:10.1074/jbc.M603566200. PMID 16798736.
  19. ↑ 19.0 19.1 Wang X, Beugnet A, Murakami M, Yamanaka S, Proud CG (April 2005). "Distinct signaling events downstream of mTOR cooperate to mediate the effects of amino acids and insulin on initiation factor 4E-binding proteins". Mol. Cell. Biol. 25 (7): 2558–72. doi:10.1128/MCB.25.7.2558-2572.2005. PMC 1061630. PMID 15767663.
  20. ↑ Ha SH, Kim DH, Kim IS, Kim JH, Lee MN, Lee HJ, Kim JH, Jang SK, Suh PG, Ryu SH (December 2006). "PLD2 forms a functional complex with mTOR/raptor to transduce mitogenic signals". Cell. Signal. 18 (12): 2283–91. doi:10.1016/j.cellsig.2006.05.021. PMID 16837165.
  21. ↑ Beugnet A, Wang X, Proud CG (October 2003). "Target of rapamycin (TOR)-signaling and RAIP motifs play distinct roles in the mammalian TOR-dependent phosphorylation of initiation factor 4E-binding protein 1". J. Biol. Chem. 278 (42): 40717–22. doi:10.1074/jbc.M308573200. PMID 12912989.
  22. ↑ Nojima H, Tokunaga C, Eguchi S, Oshiro N, Hidayat S, Yoshino K, Hara K, Tanaka N, Avruch J, Yonezawa K (May 2003). "The mammalian target of rapamycin (mTOR) partner, raptor, binds the mTOR substrates p70 S6 kinase and 4E-BP1 through their TOR signaling (TOS) motif". J. Biol. Chem. 278 (18): 15461–4. doi:10.1074/jbc.C200665200. PMID 12604610.
  23. ↑ Kim DH, Sarbassov DD, Ali SM, King JE, Latek RR, Erdjument-Bromage H, Tempst P, Sabatini DM (July 2002). "mTOR interacts with raptor to form a nutrient-sensitive complex that signals to the cell growth machinery". Cell. 110 (2): 163–75. doi:10.1016/s0092-8674(02)00808-5. PMID 12150925.
  24. ↑ Long X, Lin Y, Ortiz-Vega S, Yonezawa K, Avruch J (April 2005). "Rheb binds and regulates the mTOR kinase". Curr. Biol. 15 (8): 702–13. doi:10.1016/j.cub.2005.02.053. PMID 15854902.
  25. ↑ Takahashi T, Hara K, Inoue H, Kawa Y, Tokunaga C, Hidayat S, Yoshino K, Kuroda Y, Yonezawa K (September 2000). "Carboxyl-terminal region conserved among phosphoinositide-kinase-related kinases is indispensable for mTOR function in vivo and in vitro". Genes Cells. 5 (9): 765–75. doi:10.1046/j.1365-2443.2000.00365.x. PMID 10971657.
  26. ↑ Burnett PE, Barrow RK, Cohen NA, Snyder SH, Sabatini DM (February 1998). "RAFT1 phosphorylation of the translational regulators p70 S6 kinase and 4E-BP1". Proc. Natl. Acad. Sci. U.S.A. 95 (4): 1432–7. doi:10.1073/pnas.95.4.1432. PMC 19032. PMID 9465032.

Further reading

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