3.0
Summary
| Name |  EIF3JView Modifications |
| Full Name | Eukaryotic translation initiation factor 3 subunit J |
| Synonyms | eIF3j, Eukaryotic translation initiation factor 3 subunit 1, eIF-3-alpha, eIF3 p35 | EIF3S1 |
| Primary ID | O75822 |
| Links |  -  -  |
| Type | protein |
| Relations | 2 |
| Function | Component of the eukaryotic translation initiation factor 3 (eIF-3) complex, which is required for several steps in the initiation of protein synthesis (PubMed:25849773, PubMed:27462815). The eIF-3 complex associates with the 40S ribosome and facilitates the recruitment of eIF-1, eIF-1A, eIF-2:GTP:methionyl-tRNAi and eIF-5 to form the 43S pre-initiation complex (43S PIC). The eIF-3 complex stimulates mRNA recruitment to the 43S PIC and scanning of the mRNA for AUG recognition. The eIF-3 complex is also required for disassembly and recycling of post-termination ribosomal complexes and subsequently prevents premature joining of the 40S and 60S ribosomal subunits prior to initiation. The eIF-3 complex specifically targets and initiates translation of a subset of mRNAs involved in cell proliferation, including cell cycling, differentiation and apoptosis, and uses different modes of RNA stem-loop binding to exert either translational activation or repression (PubMed:25849773). |
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