Is predicted to encode a protein with the following domains: Alanine dehydrogenase/PNT, N-terminal domain; NAD(P) transhydrogenase, alpha subunit, C-terminal; DHS-like NAD/FAD-binding domain superfamily; 4TM region of pyridine nucleotide transhydrogenase, mitoch; Alanine dehydrogenase/pyridine nucleotide transhydrogenase, NAD(H)-binding domain; Alanine dehydrogenase/pyridine nucleotide transhydrogenase, N-terminal; NAD(P)-binding domain superfamily; Alanine dehydrogenase/PNT, C-terminal domain; NAD(P) transhydrogenase beta subunit; and NADP transhydrogenase beta-like domain. Is an ortholog of C. elegans nnt-1.