Predicted to enable 2 iron, 2 sulfur cluster binding activity and electron transfer activity. Involved in positive regulation of ecdysteroid biosynthetic process. Predicted to be located in mitochondrial matrix. Predicted to be active in mitochondrion. Is expressed in wing hinge primordium and wing pouch. Human ortholog(s) of this gene implicated in mitochondrial myopathy. Orthologous to human FDX2 (ferredoxin 2).