6AE9:
reference: Structural Insights into Substrate Selectivity, Catalytic Mechanism, and Redox Regulation of Rice Photosystem II Core Phosphatase., Liu X, Chai J, Ou X, Li M, Liu Z, Mol Plant. 2018 Nov 16. pii: S1674-2052(18)30342-3. doi:, 10.1016/j.molp.2018.11.006. PMID: 30453087

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