Western blot analysis of extracts from 293 cells, mock transfected (-) or transfected with a construct expressing DDK-tagged full-length human HNF1α (hHNF1α-DDK; +), using HNF1α Antibody (upper), DYKDDDDK Tag (9A3) Mouse mAb #8146 (middle), or β-Actin (D6A8) Rabbit mAb #8457 (lower).