Predicted to enable translation initiation factor activity. Predicted to contribute to guanyl-nucleotide exchange factor activity. Predicted to be involved in translational initiation. Predicted to be part of eukaryotic translation initiation factor 2B complex. Human ortholog(s) of this gene implicated in leukoencephalopathy with vanishing white matter 2. Is an ortholog of human EIF2B2 (eukaryotic translation initiation factor 2B subunit beta).