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. 2010 Nov 19;193(2):563–574. doi: 10.1128/JB.01062-10

FIG. 2.

FIG. 2.

Regulation of yqjH by the YqjI transcription factor. (A) Diagram of the yqjH-yqjI intergenic region showing the putative Fur binding site and REP elements (not to scale). (B) Diagram of the YqjI protein domain organization with predicted secondary structural elements shown for each domain (43). Below the diagram is an amino acid alignment of the Cys/His-rich YqjI N terminus with SlyD and RcnA Cys/His-rich regions. The shading indicates the degree of conservation, with darker colors indicating more conserved residues. (C) Activity of the yqjH-lacZ promoter fusion in various strains of E. coli grown in LB medium. (D) Activity of the yqjI-lacZ promoter fusion in various strains of E. coli grown in LB medium. “pYqjI” is the pET21a-yqjI plasmid expressing a low level of the YqjI protein.