Figure 4From: Bacillus subtilis GlcK activity requires cysteines within a motif that discriminates microbial glucokinases into two lineagesMorphology of E. coli UE26 (ptsG ptsM glk) colonies expressing B. subtilis GlcK and its mutants on 50 mM glucose MacConkey agar supplemented with 100 mM fucose.Back to article page