Predicted to enable molecular adaptor activity. Acts upstream of or within positive regulation of neuron death. Part of aminoacyl-tRNA synthetase multienzyme complex. Human ortholog(s) of this gene implicated in hypomyelinating leukodystrophy. Orthologous to human AIMP2 (aminoacyl tRNA synthetase complex interacting multifunctional protein 2). [provided by Alliance of Genome Resources, Apr 2022]