EIF4EBP2 (基因名), Eukaryotic translation initiation factor 4E-binding protein 2 (蛋白名), 4EBP2_HUMAN.
Human EIF4EBP2/ Eukaryotic translation initiation factor 4E-binding protein 2 ELISA Kit
Natural and recombinant human 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 (PubMed:7935836, PubMed:24207126, PubMed:21661078, PubMed:25533957). Interacts with RPTOR; promoting phosphorylation by mTORC1 (By similarity). Interacts with PCMT1; required to prevent isoaspartate accumulation and convert isoaspartate to Asp.
Repressor of translation initiation involved in synaptic plasticity, learning and memory formation (By similarity). 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:25533957). 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 (By similarity). Mediates the regulation of protein translation by hormones, growth factors and other stimuli that signal through the MAP kinase and mTORC1 pathways.
MSSSAGSGHQ | PSQSRAIPTR | TVAISDAAQL | PHDYCTTPGG | TLFSTTPGGT |
RIIYDRKFLL | DRRNSPMAQT | PPCHLPNIPG | VTSPGTLIED | SKVEVNNLNN |
LNNHDRKHAV | GDDAQFEMDI |
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