Predicted to enable adenylate kinase activity and nucleoside triphosphate adenylate kinase activity. Predicted to be involved in AMP metabolic process and nucleoside triphosphate biosynthetic process. Predicted to be located in mitochondrial matrix. Human ortholog(s) of this gene implicated in chronic lymphocytic leukemia and hepatocellular carcinoma. Is an ortholog of human AK3 (adenylate kinase 3) and AK4 (adenylate kinase 4).