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. 2013 Oct 31;4:434. doi: 10.3389/fpls.2013.00434

FIGURE 2.

FIGURE 2

Lumenal processes under pH regulation. (1) Light-induced expansion of the lumen volume facilitating plastocyanin migration and (2) enhancement of ATP synthase activity; (3) Light-induced activation of VDE and PsbS by protonation for photoprotection; (4) Deg oligomerization for PSII repair; and (5) induction of photosynthetic control via cyt b6f.