. . . . . . . . . . . . . . . . . "psbo2_arath"^^ . "PSBO2"^^ . "At3g50820"^^ . "33 kDa thylakoid membrane protein"^^ . "F18B3.100"^^ . "33 kDa subunit of oxygen evolving system of photosystem II"^^ . "Manganese-stabilizing protein 2"^^ . "OEC 33 kDa subunit"^^ . . "Oxygen-evolving enhancer protein 1-2, chloroplastic"^^ .