Figure 2
The overall structure and subunit fold of APD. (a) Ribbon model of an APD tetramer with an [alpha]2[beta]2 assembly. (b) Ribbon model of an [alpha][beta] dimer. (c) Fold of the [alpha] subunit. (d) Fold of the [beta] subunit. The iron centre is represented by a magenta sphere.  [article HTML]

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