1VB5:
reference: Crystal structure of the regulatory subunit of archaeal initiation factor 2B (aIF2B) from hyperthermophilic archaeon Pyrococcus horikoshii OT3: a proposed structure of the regulatory subcomplex of eukaryotic IF2B., Kakuta Y, Tahara M, Maetani S, Yao M, Tanaka I, Kimura M, Biochem Biophys Res Commun 2004 Jul 2;319(3):725-32. PMID: 15184043

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