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The structural model of the yeast eIF2•GTP•Met-tRNAi ternary complex adapted from the structure of the yeast 48S complex (PDB 3JAP [65]) with the 40S ribosome and other factors omitted. The eIF2α subunit is in yellow (Ser51 is in magenta; Van der Waals radii of the side chain atoms are shown), the eIF2β subunit is in blue and the eIF2γ subunit is in red. Met-tRNAi is in cyan. Arrow points to GTP (in gray).
