- Mutations in the alpha subunit of eukaryotic translation initiation factor 2 (eIF-2 alpha) that overcome the inhibitory effect of eIF-2 alpha phosphorylation on translation initiation. Vazquez de Aldana, C.R., Dever, T.E., Hinnebusch, A.G. Proc. Natl. Acad. Sci. U.S.A. (1993)