Acts as an assembly factor for mitochondrial respiratory complexes. Interacts with NDUFS3, NDUFA4, NDUFV1, NDUFA9 and NDUFS8 of the mitochondrial membrane respiratory chain NADH dehydrogenase (Complex I) (PubMed:31536960). Interacts with UQCRC2 of the ubiquinol-cytochrome c reductase complex (Complex III) (PubMed:31536960). Interacts with COX5A and COX7C of the cytochrome c oxidase complex (Complex IV) (PubMed:31536960). Expressed in neuronal cells.