Confocal immunofluorescent analysis of HeLa cells using RPA32 (4E4) Rat mAb #2208 detected with Anti-rat IgG (H+L) (Alexa Fluor ® 555 Conjugate) (red) and COX IV (3E11) Rabbit mAb #4850 detected with Anti-rabbit IgG (H+L), F(ab') 2 Fragment (Alexa Fluor ® 488 Conjugate) #4412 (green). Actin filaments have been labeled with Alexa Fluor ® 647 phalloidin (blue).