B WT HeLa cells were incubated with HPG for 30 minutes in the presence or absence of Harr and/or Chloramphenicol (Chl). After fixation, AF647-azide (magenta) was used for click reaction (see A), and cells were immunostained for TOM20 as mitochondrial marker (green). Representative epifluorescent microscopy images are shown. Magenta images shown in the presence of only Chl and in the absence of both inhibitors (none) are presented at lower brightness level than the other panels, duo to their very strong intensities. An inset of Harr panel is zoomed in the panel below for better visualization. Met, methionine. Scale bars, 50 µm and 10 µm for the zoom panel. 