Photosystem II reaction center protein K

UniProtKB accession:  Q9F1K9

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UniProtKB description:  One of the components of the core complex of photosystem II (PSII). PSII is a light-driven water:plastoquinone oxidoreductase that uses light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation. It consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. Required for association of PsbZ and Psb30/Ycf12 with PSII (PubMed:20194360).