Article
A leap in quantum efficiency through light harvesting in photoreceptor UVR8.
Nature communications - 28 Aug 2020
Li Xiankun, Ren Haisheng, Kundu Mainak, Liu Zheyun, Zhong Frank W, Wang Lijuan, Gao Jiali, Zhong Dongping
Abstract excerpt
Plants utilize a UV-B (280 to 315 nm) photoreceptor UVR8 (UV RESISTANCE LOCUS 8) to sense environmental UV levels and regulate gene expression to avoid harmful UV effects. Uniquely, UVR8 uses intrinsic tryptophan for UV-B perception with a homodimer structure containing 26 structural tryptophan residues. However, besides 8 tryptophans at the dimer interface to form two critical pyramid perception centers, the...
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