Photosystem II Protein Complex

**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.

**Tree numbers:** - D05.500.562.488.750 - D08.811.600.710.750 - D12.776.543.930.500.750 - D12.776.765.199.750.750.750

**Synonyms:** - Photosystem II Reaction Center