Figure 5From: Direct and negative regulation of the sycO-ypkA-ypoJ operon by cyclic AMP receptor protein (CRP) in Yersinia pestisPrimer extension analysis. Electrophoresis of the primer extension products was performed with a 6% polyacrylamide/8M urea gel. Lanes C, T, A and G represented the Sanger sequencing reactions. The transcriptional start sites were underlined.Back to article page