eIF3D is a protein belonging to the largest of the eukaryotic translation initiation factor family, eukaryotic translation initiation factor-3 (eIF3). eIF3 is a multiprotein complex composed of at least 13 different subunits. eIF3D binds to the 40S ribosomal subunit and thus helps in maintaining the 40S and 60S ribosomal subunits in a dissociated state. An important role of eIF3D is the formation of the 40S initiation complex by interacting with the ternary complex of eIF2/GTP/methionyl-tRNA, and promotes mRNA binding. eIF3D is the major RNA binding subunit of the eIF3 complex. It associates with the subunit p170 of eIF-3. Ubiquitous expression of eIF3D is seen in most of the tissues and it is phosphorylated upon DNA damage, likely by ATM or ATR.
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Protein Aliases: eIF 3 zeta; eIF-3-zeta; eIF3 p66; eIF3 zeta; EIF3D; EIF3S7; Eukaryotic translation initiation factor 3 subunit 7; Eukaryotic translation initiation factor 3 subunit D; eukaryotic translation initiation factor 3, subunit 7 (zeta); eukaryotic translation initiation factor 3, subunit 7 zeta, 66/67kDa; eukaryotic translation initiation factor 3, subunit D; translation initiation factor eIF3 p66; translation initiation factor eIF3 p66 subunit
Gene Aliases: 66/67kDa; AA407891; eIF3-p66; eIF3-zeta; EIF3D; eIF3p66; EIF3S7