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Structure of the green algal photosystem I supercomplex with a decameric light-harvesting complex I.


ABSTRACT:

SUBMITTER: Naoyuki Miyazaki 

PROVIDER: EMPIAR-10314 | biostudies-other |

REPOSITORIES: biostudies-other

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Structure of the green algal photosystem I supercomplex with a decameric light-harvesting complex I.

Suga Michihiro M   Ozawa Shin-Ichiro SI   Yoshida-Motomura Kaori K   Akita Fusamichi F   Miyazaki Naoyuki N   Takahashi Yuichiro Y  

Nature plants 20190610 6


In plants and green algae, the core of photosystem I (PSI) is surrounded by a peripheral antenna system consisting of light-harvesting complex I (LHCI). Here we report the cryo-electron microscopic structure of the PSI-LHCI supercomplex from the green alga Chlamydomonas reinhardtii. The structure reveals that eight Lhca proteins form two tetrameric LHCI belts attached to the PsaF side while the other two Lhca proteins form an additional Lhca2/Lhca9 heterodimer attached to the opposite side. The  ...[more]

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