Eif4ebp2 (基因名), Eukaryotic translation initiation factor 4E-binding protein 2 (蛋白名), 4EBP2_MOUSE.
Mouse Eif4ebp2/ Eukaryotic translation initiation factor 4E-binding protein 2 ELISA Kit
4E-BP2, Phosphorylated heat- and acid-stable protein regulated by insulin 2, PHAS-II
Natural and recombinant mouse Eukaryotic translation initiation factor 4E-binding protein 2
Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Hypophosphorylated EIF4EBP2 interacts with EIF4E; phosphorylation of EIF4EBP2 by mTORC1 causes dissociation of the complex allowing EIF4G1/EIF4G3 to bind and consequent initiation of translation. Interacts (via TOS motif) with RPTOR; promoting phosphorylation by mTORC1 (PubMed:20347422, PubMed:23184952). Interacts with PCMT1; required to prevent isoaspartate accumulation and convert isoaspartate to Asp (PubMed:20424163).
Repressor of translation initiation involved in synaptic plasticity, learning and memory formation (PubMed:16237163, PubMed:17029989). Regulates EIF4E activity by preventing its assembly into the eIF4F complex: hypophosphorylated form of EIF4EBP2 competes with EIF4G1/EIF4G3 and strongly binds to EIF4E, leading to repress translation. In contrast, hyperphosphorylated form dissociates from EIF4E, allowing interaction between EIF4G1/EIF4G3 and EIF4E, leading to initiation of translation (PubMed:17029989, PubMed:20347422, PubMed:23172145). EIF4EBP2 is enriched in brain and acts as a regulator of synapse activity and neuronal stem cell renewal via its ability to repress translation initiation (PubMed:20347422, PubMed:24139800, PubMed:23172145). Mediates the regulation of protein translation by hormones, growth factors and other stimuli that signal through the MAP kinase and mTORC1 pathways (PubMed:8939971).
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