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Architecture of a catalytically active homotrimeric plant cellulose synthase complex


ABSTRACT:

SUBMITTER: Jochen Zimmer 

PROVIDER: EMPIAR-10552 | biostudies-other |

REPOSITORIES: biostudies-other

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Architecture of a catalytically active homotrimeric plant cellulose synthase complex.

Purushotham Pallinti P   Ho Ruoya R   Zimmer Jochen J  

Science (New York, N.Y.) 20200709 6507


Cellulose is an essential plant cell wall component and represents the most abundant biopolymer on Earth. Supramolecular plant cellulose synthase complexes organize multiple linear glucose polymers into microfibrils as load-bearing wall components. We determined the structure of a poplar cellulose synthase CesA homotrimer that suggests a molecular basis for cellulose microfibril formation. This complex, stabilized by cytosolic plant-conserved regions and helical exchange within the transmembrane  ...[more]

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