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Explore in 3D: Sequence Alignments
6YBD_17 - Summary | Structure
Name: Eukaryotic translation initiation factor 3 subunit D
Organism: Homo sapiens
Experimental Method: EM
Resolution: 3.3 Å
Molecular Weight: 64.061 kDa

Eukaryotic translation initiation factor 3 subunit D

UniProtKB accession:  O15371
Grouped By:  Matching UniProtKB accession
Group Content:  
Polymer Entities matching query 21
Go to UniProtKB:  O15371
UniProtKB description:  mRNA cap-binding component of the eukaryotic translation initiation factor 3 (eIF-3) complex, a complex required for several steps in the initiation of protein synthesis of a specialized repertoire of mRNAs (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 (PubMed:18599441, PubMed:25849773). 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). In the eIF-3 complex, EIF3D specifically recognizes and binds the 7-methylguanosine cap of a subset of mRNAs (PubMed:27462815).
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