Research Article

Characterization of Putative Virulence Factors of Pseudomonas aeruginosa Strain RBS Isolated from a Saltern, Tunisia: Effect of Metal Ion Cofactors on the Structure and the Activity of LasB

Figure 6

Close-up view into the active site of elastase (PDB 1U4G). Selected residues are displayed in stick representation, the calcium ion as a green sphere, and the zinc ion as a grey sphere.