Enables N-acetyl-L-aspartate-L-glutamate ligase activity. Predicted to be involved in cellular protein modification process. Located in cytoplasm. Is expressed in several structures, including adrenal gland; central nervous system; genitourinary system; hemolymphoid system gland; and liver. Orthologous to human RIMKLA (ribosomal modification protein rimK like family member A). [provided by Alliance of Genome Resources, Apr 2022]