Ribosome loading onto the mRNA cap is driven by conformational coupling between eIF4G and eIF4E.
Gross, J.D., Moerke, N.J., von der Haar, T., Lugovskoy, A.A., Sachs, A.B., McCarthy, J.E., Wagner, G.(2003) Cell 115: 739-750
- PubMed: 14675538 
- PubMed Abstract: 
The eukaryotic initiation factor 4G (eIF4G) is the core of a multicomponent switch controlling gene expression at the level of translation initiation. It interacts with the small ribosomal subunit interacting protein, eIF3, and the eIF4E/cap-mRNA com ...