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Thylakoid assembly 8 (THA8) is a pentatricopeptide repeat (PPR) RNA-binding protein required for the splicing of the transcript of ycf3, a gene involved in chloroplast thylakoid-membrane biogenesis. Here we report the identification of multiple THA8-binding sites in the ycf3 intron and present crystal structures of Brachypodium distachyon THA8 either free(More)
Pentatricopeptide repeat (PPR) proteins are sequence-specific RNA-binding proteins that form a pervasive family of proteins conserved in yeast, plants, and humans. The plant PPR proteins are grouped mainly into the P and PLS classes. Here, we report the crystal structure of a PLS-class PPR protein from Arabidopsis thaliana called THA8L (THA8-like) at 2.0 Å.(More)
RNA-binding proteins play crucial roles in RNA processing and function as regulators of gene expression. Recent studies have defined the structural basis for RNA recognition by diverse RNA-binding motifs. While many RNA-binding proteins recognize RNA sequence non-specifically by associating with 5′ or 3′ RNA ends, sequence-specific recognition by(More)
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