Anemia, Hypochromic Microcytic, with Iron Overload 2, is also known as severe congenital hypochromic anemia with ringed sideroblasts. An important gene associated with Anemia, Hypochromic Microcytic, with Iron Overload 2 is STEAP3 (STEAP3 Metalloreductase). Affiliated tissues include bone marrow and bone, and related phenotypes are anemia and decreased transferrin saturation