Supporting Information Filename Description ppl70246-sup-0001-Supinfo.pdfPDF document, 765.2 KB Data S1: Supporting Information REFERENCES (1949). Copper enzymes in isolated chloroplasts. Polyphenoloxidase in Beta vulgaris. Plant Physiology, 24(1), 1–15. , , & (1992). Pool size of electrons that can be donated to P700+, as determined in intact leaves: Donation to P700+ from stromal components via the intersystem chain. Plant & Cell Physiology, 33, 927–932. , & (1999).