PSMB9 and Diamond-Blackfan anemia: Significantly changed proteins from our study on the erythrocyte membrane were distinct from the cytoplasmic proteins in the current study with the exception of the major vault protein, PSMB8, PSMB9, and hemoglobin gamma that were increased in both the erythrocyte cytosols (Table 2) and membranes of DBA patients [10].