R2R3 MYB Transcription Factors - Functions outside the DNA-Binding Domain

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Several transcription factor (TF) families, including the MYB family, regulate a wide array of biological processes. TFs contain DNA-binding domains (DBDs) and regulatory regions; although information on protein structure is scarce for plant MYB TFs, various in silico methods suggest that the non-MYB regions contain extensive intrinsically disordered regions (IDRs). Although IDRs do not fold into stable globular structures, they comprise functional regions including interaction motifs, and recent research has shown that IDRs perform crucial biological roles. We map here domain organization, disorder predictions, and functional regions across the entire Arabidopsis thaliana R2R3 MYB TF family, and highlight where an increased research focus will be necessary to shape a new understanding of structure-function relationships in plant TFs.

Original languageEnglish
JournalTrends in Plant Science
ISSN1360-1385
DOIs
Publication statusE-pub ahead of print - 26 Jul 2019

ID: 225278965