B MAGE-A3 interacts with DCAF12, but not DCAF5. HeLa cells were transfected with the indicated constructs (Myc-MAGE-A3 and HA-DCAF5 or HA-DCAF12). Two days later cells were treated with complete media or EBSS for 4 hrs. Cells were treated in the presence of 1 µM MLN4924 to stabilize MAGE-A3. Cell extracts were subjected to anti-Myc IP. 