Figure 3From: Tuberculosis vaccine strain Mycobacterium bovis BCG Russia is a natural recA mutantWestern blot analysis. Western blot analysis of cell-free protein extracts from different BCG preparations (with and without SOS response induction by mitomycin C). Mature RecA protein has an approximate molecular weight of 38 kDa. KatG (81 kDa) served as a loading control. Bands migrating around 50 kDa are unspecific.Back to article page