Fig. 3. Localisation of Cos2-GFP with microtubules in mammalian cells. (A) Distribution of GFP-Cos2 in transfected 293T cells. (B) Pattern of ß-tubulin distribution in the same cells depicted in A. (C) Merged image of A,B. Arrows indicate distinct foci of GFP and ß-tubulin co-localisation.