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Showing 1–10 of 10 results
Advanced filters: Author: Dongping Zhong Clear advanced filters

  • Photolyase is an enzyme responsible for repairing DNA which is damaged after exposure to UV light. Here, the authors use site directed mutagenesis and femtosecond spectroscopy to study how photolyase achieves its maximal repair efficiency.

    • Chuang Tan
    • Zheyun Liu
    • Dongping Zhong
    Research
    Nature Communications
    Volume: 6, P: 1-6

  • UVR8 is a plant photoreceptor that dissociates into monomers after sensing UV. Here, via ultrafast spectroscopy and computational calculations, the authors describe the dynamics of charge separation and charge neutralization in UVR8 and describe how these unzip interactions at the dimer interface.

    • Xiankun Li
    • Zheyun Liu
    • Dongping Zhong
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-9

  • The generation of nitrogen-centred radicals and their subsequent reaction with control of stereoselectivity is a difficult task in synthetic chemistry. Now, the photoenzymatic production of nitrogen-centred radicals and their use in challenging enantioselective intermolecular radical hydroaminations is reported.

    • Zhengyi Zhang
    • Jianqiang Feng
    • Huimin Zhao
    Research
    Nature Catalysis
    Volume: 6, P: 687-694

  • Photoreceptor UVR8 in plants senses environmental UV levels through 26 structural tryptophan residues, but the role of 18 of them was unknown. The authors show, by experiments and computations, how these form a light-harvesting network that funnels the excitation to the pyramid centers enhancing the light-perception efficiency.

    • Xiankun Li
    • Haisheng Ren
    • Dongping Zhong
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • Here the authors combine 19 F NMR and femtosecond transient absorption to characterise the structural origin of the multiphasic quenching dynamics in various species of BLUF domains, highlighting the importance of the heterogeneous active-site H-bond network.

    • Yalin Zhou
    • Siwei Tang
    • Dongping Zhong
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-11

  • Superoxide oxidizes the iron–sulfur cluster in the DNA demethylase ROS1 and extensively participates in the establishment of active DNA demethylation in plants to maintain stem cell fate.

    • Shiwen Wang
    • Min Liu
    • Zhong Zhao
    Research
    Nature Chemical Biology
    Volume: 21, P: 567-576

  • The repair enzyme (6–4) photolyase uses light energy to cleave the ultraviolet-induced bond between pyrimidine dimers. These authors use ultrafast spectroscopy to examine the detailed electron and proton movements during the catalytic photocycle. Histidine 364 is identified as the crucial residue involved in the rate-limiting step.

    • Jiang Li
    • Zheyun Liu
    • Dongping Zhong
    Research
    Nature
    Volume: 466, P: 887-890

  • Ultrafast electron-transfer reactions are fundamental to protein functions. Here the authors show that these reaction dynamics are affected by the ruggedness of protein energy landscape, which even modifies the reaction free energy and reorganization energy.

    • Yangyi Lu
    • Mainak Kundu
    • Dongping Zhong
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9