Flow cytometric analysis of 293T cells, transfected with PKM2 siRNA (blue) or mock transfected (green), using PKM2 (D78A4) XP® Rabbit mAb (solid lines) or a concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (dashed lines). Anti-rabbit IgG (H+L), F(ab')<sub>2</sub> Fragment (PE Conjugate) #8885 was used as a secondary antibody.