These proteins share a region of similarity that falls towards the C terminus from Pfam:PF00575.

1: Yeast translation initiation suppressor sui2 encodes the alpha subunit of eukaryotic initiation factor 2 and shares sequence identity with the human alpha subunit. Cigan AM, Pabich EK, Feng L, Donahue TF; Proc Natl Acad Sci U S A 1989;86:2784-2788. PMID:2649894

2: The crystal structure of the N-terminal region of the alpha subunit of translation initiation factor 2 (eIF2alpha) from Saccharomyces cerevisiae provides a view of the loop containing serine 51, the target of the eIF2alpha-specific kinases. Dhaliwal S, Hoffman DW; J Mol Biol 2003;334:187-195. PMID:14607111

3: The roles of initiation factor 2 and guanosine triphosphate in initiation of protein synthesis. Antoun A, Pavlov MY, Andersson K, Tenson T, Ehrenberg M; EMBO J 2003;22:5593-5601. PMID:14532131

4: Universal translation initiation factor IF2/eIF5B. Dever TE, Roll-Mecak A, Choi SK, Lee JH, Cao C, Shin BS, Burley SK; Cold Spring Harb Symp Quant Biol 2001;66:417-424. PMID:12762044