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. 2021 Jun 3;26(11):3378. doi: 10.3390/molecules26113378

Figure 4.

Figure 4

Structure of the photosystem II core with the core-antenna complexes CP43 and CP47 from the thermophilic cyanobacterium Thermosynecchococcus vulcanus at 1.9 Å resolution, PDB entry 3ARC [57]. (A) Top view with regard to the thylakoid membrane plane, seen from the stromal side. (B) Side view with regard to the thylakoid membrane plane. The protein backbone of CP43 (CP47) is shown in red (yellow); other protein subunits are shown in grey. Chlorophylls a are shown in cyan, β-carotenes in orange, pheophytin in brown, heme groups in dark red and benzoquinones in grey. The oxygen–manganese cluster of the water splitting apparatus is also shown (violet).