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Fig. 6. Effect of Stx1-B subunit on the distribution of
- and
-tubulins in ACHN cells. ACHN cells were examined as described in Fig. 2 using Alexa-488-labeled anti-
-tubulin Ab (left panels, green) and Alexa-546-labeled anti-
-tubulin mAb (center panels, red). The arrowheads indicate the accumulation of
-tubulin at the microtubule-organizing centers. Results are representative of three independent experiments.