Western blot analysis of extracts from 293T cells, mock transfected (-) or transfected with constructs expressing Myc/DDK-tagged full-length human PSMC1 protein (hPSMC1-Myc/DDK; +), full-length human PSMC2 protein (hPSMC2-Myc/DDK; +), full-length human PSMC3 protein (hPSMC3-Myc/DDK; +), full-length human PSMC4 protein (hPSMC4-Myc/DDK; +), full-length human PSMC5 protein (hPSMC5-Myc/DDK; +), and full-length human PSMC6 protein (hPSMC6-Myc/DDK; +), using PSMC3/TBP1 Antibody (upper) and DYKDDDDK Tag Antibody #2368 (lower).