Definition: A large multisubunit protein complex found in the THYLAKOID MEMBRANE. It uses light energy derived from LIGHT-HARVESTING PROTEIN COMPLEXES to catalyze the splitting of WATER into DIOXYGEN and of reducing equivalents of HYDROGEN.
Other names Water Splitting Enzyme of Photosynthesis; Photosynthesis Water-Splitting Enzyme; Oxidase, Water; Light Induced D1 Protein, Photosystem II; Evolving Enzyme, Oxygen; Enzyme, Oxygen Evolving; Water-Splitting Enzyme of Photosynthesis; Water Oxidase; RCII-D1 Protein; Photosystem II Reaction Center Complex D2 Protein; Photosystem II Reaction Center Complex D1 Protein; Photosystem II Reaction Center; Photosystem II; PRCP II D2 Protein; Oxygen Evolving Enzyme; Light-Induced D1 Protein, Photosystem II; D1 Photosystem II Protein, Plant; Chloroplast Reaction Center Protein D1