Figure 1.
HFE protein in association with beta-2 microglobulin (β2M) at the cell surface. The three extracellular domains of HFE are designated α1, α2, and α3. β2M is shown associated with the α3 domain. Abbreviations: cyto, cytoplasmic tail; tm, transmembrane domain. Adapted from R.E. Fleming, W. S. Sly, Mechanisms of iron accumulation in hereditary hemochromatosis. Annu Rev Physiol 64 (2002) 663–680. Used with permission.