Siderophore Rearranging Itself for New pH (IMAGE)

Washington University in St. Louis

Siderophore Rearranging Itself for New pH

Caption

As the pH of its surroundings rises, the siderophore pre-actinobactin (top) rearranges itself structurally to form the molecule actinobactin (bottom) that functions better at the new pH. Two copies of the molecules join to grasp an iron atom.

Credit

Tim Wencewicz

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