Figure 6From: Crystal structure of c5321: a protective antigen present in uropathogenic Escherichia coli strains displaying an SLR fold Similarities between the Mg-ion binding site in c5321 and Fe-ion binding site in Dps proteins. A. The Fe-ion binding site involving the triad His-Glu-Asp found in X-ray structures of Dps proteins (PDB ID 2FJC). B. Octahedral Mg-ion coordination observed in c5321 (water molecules not indicated).Back to article page