Involved in the uptake of iron in complex with the siderophore anguibactin. Responsible for the translocation of ferric-anguibactin across the cytoplasmic membrane. Part of an iron transport system composed of the outer membrane receptor FatA, the periplasmic binding protein FatB and the inner membrane proteins FatC and FatD. Mutants cannot transport ferric-anguibactin and are unable to grow under iron-limiting conditions. Belongs to the binding-protein-dependent transport system permease family. FecCD subfamily.