Flow cytometric analysis of MDA-MB-231 cells (blue) or T-47D cells (green) using Progesterone Receptor A/B (D8Q2J) XP<sup>®</sup> Rabbit mAb (Alexa Fluor<sup>®</sup> 488 Conjugate) (solid lines) or concentration-matched Rabbit (DA1E) mAb IgG XP<sup>®</sup> Isotype Control (Alexa Fluor<sup>®</sup> 488 Conjugate) #2975 (dashed lines).