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eIF4E is involved in several cellular processes including enhanced translational efficiency, splicing, mRNA stability, and RNA nuclear export. All eukaryotic cellular mRNAs are blocked at their 5-prime ends with the 7-methylguanosine cap structure, m7GpppX (where X is any nucleotide). EIF4E is a eukaryotic translation initiation factor involved in directing ribosomes to the cap structure of mRNAs. It is a 24-kD polypeptide that exists as both a free form and as part of a multiprotein complex termed EIF4F. The EIF4E polypeptide is the rate-limiting component of the eukaryotic translation apparatus and is involved in the mRNA-ribosome binding step of eukaryotic protein synthesis. The other subunits of EIF4F are a 50-kD polypeptide, termed EIF4A, that possesses ATPase and RNA helicase activities, and a 220-kD polypeptide, EIF4G.
AUTS19; CBP; EG668879; EIF4E; EIF-4E; EIF4E1; EIF4EL1; Eif4e-ps; EIF4F; eIF-4F 25 kDa subunit; eukaryotic translation initiation factor 4E; eukaryotic translation initiation factor 4E-like 1; eukaryotic translation initiation factor 4E-like protein; eukaryotic translation initiation factor 4-like protein; If4e; MGC111573; mRNA cap-binding protein; OTTHUMP00000219703; OTTHUMP00000219704; OTTHUMP00000219705; translation initiation factor eIF-4E
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