Predicted to enable (3R)-hydroxyacyl-[acyl-carrier-protein] dehydratase activity. Predicted to be involved in fatty acid biosynthetic process. Predicted to be active in mitochondrion. Is expressed in anterior midgut primordium; embryonic/larval midgut; organism; and posterior midgut primordium. Orthologous to human ARMC7 (armadillo repeat containing 7).