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Assembly of eukaryotic photosystem II with diverse light-harvesting antennas.
Current Opinion in Structural Biology ( IF 6.8 ) Pub Date : 2020-05-06 , DOI: 10.1016/j.sbi.2020.03.007
Peng Cao 1 , Xiaowei Pan 1 , Xiaodong Su 1 , Zhenfeng Liu 2 , Mei Li 1
Affiliation  

Photosystem II (PSII) catalyzes the light-driven oxygen-evolving reaction via its catalytic core and peripheral light-harvesting antennas. Oxyphototrophs have evolved diverse antenna systems, enabling them to adapt to different habitats. Recently, high-resolution structures of PSII-antenna supercomplexes from the green lineage (higher plants and green algae) and the red lineage (diatoms) were solved. The antenna complexes from the two lineages share similar protein folding, but differ in terms of the oligomeric states, pigment composition, and assembly patterns with the core. These differences result in distinct pigment-protein networks in PSII from different organisms. We herein summarize the similarities and differences in these structures and outline the molecular basis of the assembly, energy transfer, and regulation of the eukaryotic PSII-antenna supercomplexes.

中文翻译:

具有各种光收集天线的真核生物光系统II的组装。

Photosystem II(PSII)通过其催化核心和外围光收集天线来催化光驱动的放氧反应。氧养生物已经进化了多种天线系统,使其能够适应不同的栖息地。最近,解决了来自绿色谱系(高等植物和绿藻)和红色谱系(硅藻)的PSII天线超复合物的高分辨率结构。来自两个谱系的天线复合物共享相似的蛋白质折叠,但是在寡聚状态,颜料组成和与核的组装方式方面有所不同。这些差异导致来自不同生物的PSII中不同的色素-蛋白质网络。我们在这里总结了这些结构的相似之处和不同之处,并概述了组装,能量转移,
更新日期:2020-05-06
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