melanogasterTranslation in Drosophila Initiation Factor 4E-Binding Protein That Mextli Is a Novel Eukaryotic Translation

GpppN, where N is any nucleotide) by the cap-bindingprotein eukaryotic translation initiation factor 4E (eIF4E) in acomplex (termed eIF4F) with the scaffold protein eIF4G and theRNAhelicaseeIF4A.eIF4GalsointeractswitheIF3,whichrecruitsthe 43S preinitiation complex (consisting of the 40S ribosomalsubunit in association with eIF3, eIF1, eIF1A, and a ternary com-plex, eIF2-GTP-Met-tRNA