Predicted to enable NAD binding activity; NAD(P)+ transhydrogenase activity; and NADP binding activity. Involved in several processes, including cell redox homeostasis; oxygen homeostasis; and positive regulation of hydrogen peroxide catabolic process. Located in mitochondrion. Biomarker of obesity. Human ortholog(s) of this gene implicated in familial glucocorticoid deficiency. Orthologous to human NNT (nicotinamide nucleotide transhydrogenase). [provided by Alliance of Genome Resources, Apr 2022]