2N82

solution structure of the complex of microRNA 20b pre-element with Rbfox RRM


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 20 
  • Selection Criteria: structures with the lowest energy 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Rbfox proteins regulate microRNA biogenesis by sequence-specific binding to their precursors and target downstream Dicer.

Chen, Y.Zubovic, L.Yang, F.Godin, K.Pavelitz, T.Castellanos, J.Macchi, P.Varani, G.

(2016) Nucleic Acids Res. 44: 4381-4395

  • DOI: 10.1093/nar/gkw177
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Rbfox proteins regulate tissue-specific splicing by targeting a conserved GCAUG sequence within pre-mRNAs. We report here that sequence-specific binding of the conserved Rbfox RRM to miRNA precursors containing the same sequence motif in their termin ...

    Rbfox proteins regulate tissue-specific splicing by targeting a conserved GCAUG sequence within pre-mRNAs. We report here that sequence-specific binding of the conserved Rbfox RRM to miRNA precursors containing the same sequence motif in their terminal loops, including miR-20b and miR-107, suppresses their nuclear processing. The structure of the complex between precursor miR-20b and Rbfox RRM shows the molecular basis for recognition, and reveals changes in the stem-loop upon protein binding. In mammalian cells, Rbfox2 downregulates mature miR-20b and miR-107 levels and increases the expression of their downstream targets PTEN and Dicer, respectively, suggesting that Rbfox2 indirectly regulates many more cellular miRNAs. Thus, some of the widespread cellular functions of Rbfox2 protein are attributable to regulation of miRNA biogenesis, and might include the mis-regulation of miR-20b and miR-107 in cancer and neurodegeneration.


    Organizational Affiliation

    Center for Integrative Biology (CIBIO), University of Trento, Via Sommarive 9, 38123 Trento (TN), Italy.




Macromolecules

Find similar proteins by: Sequence  |  Structure


Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
RNA binding protein fox-1 homolog 1
B
104Homo sapiensMutation(s): 0 
Gene Names: RBFOX1 (A2BP, A2BP1, FOX1, HRNBP1)
Find proteins for Q9NWB1 (Homo sapiens)
Go to Gene View: RBFOX1
Go to UniProtKB:  Q9NWB1
Entity ID: 1
MoleculeChainsLengthOrganism
RNA (5'-R(*GP*GP*UP*AP*GP*UP*UP*UP*UP*GP*GP*CP*AP*UP*GP*AP*CP*UP*CP*UP*AP*CP*C)-3')A23synthetic construct
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 20 
  • Selection Criteria: structures with the lowest energy 

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2016-04-13
    Type: Initial release
  • Version 1.1: 2016-06-01
    Type: Database references