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. Author manuscript; available in PMC: 2015 Jan 20.
Published in final edited form as: Chem Rev. 2014 Mar 24;114(7):3495–3578. doi: 10.1021/cr400458x

Figure 16.

Figure 16

Comparison of (A) M2 mutant (the reaction center of the protein L and M subunit from Rhodobacter sphaeroides, PDB code: 1Z9J526) and (B) PSII (a and b chains of PSII from Thermosynechococcus elongates, PDB code: 1S5L529). Mn(II) (purple sphere), Fe(II) (red sphere), (bacterio)chlorophylls, and quinone acceptors are shown. The manganese ions are located at similar positions in both proteins.