NADH dehydrogenase (ubiquinone) 1 alpha subcomplex assembly factor 1 (NDUFAF1)

NDUFAF1 is a mitochondrial protein that acts as an essential assembly factor for NADH:ubiquinone oxidoreductase (complex I), the largest enzyme of the mitochondrial electron transport chain[2][1]. It assists in the stepwise integration of various subunits and stabilizes key assembly intermediates, specifically by locking the ND3 subunit in a conformation that prevents misassembly[1][3]. NDUFAF1 forms part of early assembly intermediates with other proteins (such as ACAD9 and ECSIT) and has been shown to interact structurally with both protein and lipid components critical to mitochondrial architecture. Genetic mutations of NDUFAF1 in humans lead to complex I deficiencies manifesting as varied and severe diseases, including lethal neonatal mitochondrial disease, cardiomyopathy, and neurodegeneration. Currently, there are no known direct pharmacological agents targeting NDUFAF1, but its function is central to maintaining mitochondrial respiratory function and cellular energy homeostasis[2][1][3][4].

Other names

Complex I intermediate-associated protein 30, mitochondrialCIA30CGI-65MC1DN11