
Western blot analysis of extracts from HeLa cells, untreated (-) or treated with tunicamycin (2 μg/ml, 8 hr; +), using XBP-1s (D2C1F) Rabbit mAb (upper) and β-Actin (D6A8) Rabbit mAb #8457 (lower).

Western blot analysis of extracts from 293 cells, mock transfected (-) or transfected with a construct expressing Myc/DDK-tagged full-length human XBP-1s (hXBP-1s-Myc/DDK; +), using XBP-1s (D2C1F) Rabbit mAb (upper), DYKDDDDK Tag (9A3) Mouse mAb #8146 (middle) or GAPDH (D16H11) XP ® Rabbit mAb #5174 (lower).