NADH dehydrogenase (ubiquinone) 1, alpha/beta subcomplex, 1, 8kDa; Carrier of the growing fatty acid chain in fatty acid biosynthesis in mitochondria. Accessory and non-catalytic subunit of the mitochondrial membrane respiratory chain NADH dehydrogenase (Complex I), which functions in the transfer of electrons from NADH to the respiratory chain (By similarity) (156 aa)

GrpE-like 1, mitochondrial (E. coli); Essential component of the PAM complex, a complex required for the translocation of transit peptide-containing proteins from the inner membrane into the mitochondrial matrix in an ATP-dependent manner. Seems to control the nucleotide-dependent binding of mitochondrial HSP70 to substrate proteins (217 aa)

NFS1 nitrogen fixation 1 homolog (S. cerevisiae); Catalyzes the removal of elemental sulfur from cysteine to produce alanine. It supplies the inorganic sulfur for iron- sulfur (Fe-S) clusters. May be involved in the biosynthesis of molybdenum cofactor (457 aa)

frataxin; Probably involved in iron homeostasis. Anti-apoptotic protein which prevents mitochondrial damage and reactive oxygen species (ROS) production (210 aa)

LYR motif containing 4; May be involved in mitochondrial iron-sulfur protein biosynthesis (96 aa)