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. 2004 Nov;16(11):3059–3068. doi: 10.1105/tpc.104.024174

Figure 6.

Figure 6.

Histograms of the Quantum Yield Distributions Computed for the Complete Antenna Systems.

(A) PSII.

(B) PSI.

In the PSII model the orientations of all antenna chlorophylls except the two highly optimized chlorophylls (C14 and C31) and the two ChlZ/D were varied. In the PSI model the orientations of all antenna chlorophylls except the two highly optimized chlorophylls (B24 and A26) and chlorophylls A39 and B40 were varied. Inserts show the structure of the respective models. Arrows indicate the location of the quantum yield calculated with native chlorophyll orientations as found in the x-ray structures. Areas under the shadowed/black parts of the histograms represent the number of alternative pigment orientations with yields higher/lower than the native x-ray structure, respectively.