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14–17 Mar 2022
Europe/Berlin timezone

Structures of a DYW domain shed first light on a unique plant RNA editing regulation principle

14 Mar 2022, 15:10
20m

Speakers

Mr Gert Weber (Helmholtz-Zentrum Berlin) Gottfried Palm (Universität Greifswald)

Description

The DYW domain, an enzyme for plant RNA editing: Pentatricopeptide repeat (PPR) proteins with a C-terminal DYW domain are responsible for C to U RNA editing in plants. We show that the DYW domain harbors the cytidine deaminase activity by functional data in vitro and structural similarity to distinctly related known cytidine deaminases. A DYW-specific domain regulates the active site sterically via a large-scale conformational change and mechanistically via the Zn-coordination geometry.

Primary author

Mr Gert Weber (Helmholtz-Zentrum Berlin)

Co-author

Gottfried Palm (Universität Greifswald)

Presentation materials