![[Figure 1]](hi2049fig1mag.jpg)
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Figure 1
The 2-His-1-carboxylate motif in human phenylalanine hydroxylase. Metal ligands are depicted in red, and further residues close to the active site are depicted in grey. ![[article HTML]](../../../../../graphics/viewarticleborder.gif)
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![[Figure 1]](hi2049fig1.jpg)
© International Union of Crystallography 2003
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Figure 1
The 2-His-1-carboxylate motif in human phenylalanine hydroxylase. Metal ligands are depicted in red, and further residues close to the active site are depicted in grey.
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