Protein: Heme A synthase-mitochondrial ferredoxin fusion protein (Electron transfer protein 1) [Cleaved into: Heme A synthase etp1(cd) (HAS) (EC 1.17.99.9) (Electron transfer protein cox15-like domain); Mitochondrial ferredoxin etp1(fd) (Adrenodoxin homolog) (Electron transfer protein ferredoxin domain)]