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![[Figure 4]](lp5003fig4mag.jpg)
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Figure 4
Conformational states of the P cluster in Cp1 and Av1. The P clusters in the Cp1 structure reflect a superposition of the two conformations corresponding to POX (a) and PN (b) present at a ratio of 6:4, respectively. The P clusters of the Av1 POX (1.0 Å resolution; PDB entry 3u7q) and PN (1.16 Å resolution; PDB entry 1m1n) conformations are shown in (c) and (d), respectively. The backbone atoms of the α-subunits and β-subunits are represented as ribbons shaded light blue and gray, respectively. The P cluster and coordinated ligand residues as well as Serβ45 in Cp1 (Serβ188 in Av1) are represented as sticks. The waters are shown as spheres. C atoms are highlighted in gray, N atoms in blue, O atoms in red, S atoms in yellow and Fe atoms in orange. |
![[Figure 4]](lp5003fig4.jpg)
 | STRUCTURAL BIOLOGY |
ISSN: 2059-7983
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