Chlorophyll a-b binding protein 2.1, chloroplastic
UniProtKB accession: Q9SHR7
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Go to UniProtKB: Q9SHR7
UniProtKB description: The light-harvesting complex (LHC) functions as a light receptor, it captures and delivers excitation energy to photosystems with which it is closely associated (By similarity). Mediates rapid phosphorylation and migration of LHCII-PSII to photosystem I (PSI) after transition to state 2 (red) light conditions, thus leading to the formation of PSI-PSII-LHCII and PSI-LHCII supercomplex to balance the relative excitation of PSI and PSII (PubMed:23888908, PubMed:23995216, PubMed:25194026, PubMed:26392145). Involved in the production of reactive oxygen species (ROS) and stomatal closure upon abscisic acid (ABA) treatment. Required to prevent water loss (By similarity).
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