2L3C

Solution structure of ADAR2 dsRBM1 bound to LSL RNA

Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 40 
  • Conformers Submitted: 20 
  • Selection Criteria: structures with the lowest energy 

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This is version 1.1 of the entry. See complete history. 


Literature

The Solution Structure of the ADAR2 dsRBM-RNA Complex Reveals a Sequence-Specific Readout of the Minor Groove.

Stefl, R., Oberstrass, F.C., Hood, J.L., Jourdan, M., Zimmermann, M., Skrisovska, L., Maris, C., Peng, L., Hofr, C., Emeson, R.B., Allain, F.H.

(2010) Cell 143: 225-237

  • DOI: https://doi.org/10.1016/j.cell.2010.09.026
  • Primary Citation of Related Structures:  
    2L2J, 2L2K, 2L3C, 2L3J

  • PubMed Abstract: 

    • Sequence-dependent recognition of dsDNA-binding proteins is well understood, yet sequence-specific recognition of dsRNA by proteins remains largely unknown, despite their importance in RNA maturation pathways. Adenosine deaminases that act on RNA (ADARs) recode genomic information by the site-selective deamination of adenosine ...

    Sequence-dependent recognition of dsDNA-binding proteins is well understood, yet sequence-specific recognition of dsRNA by proteins remains largely unknown, despite their importance in RNA maturation pathways. Adenosine deaminases that act on RNA (ADARs) recode genomic information by the site-selective deamination of adenosine. Here, we report the solution structure of the ADAR2 double-stranded RNA-binding motifs (dsRBMs) bound to a stem-loop pre-mRNA encoding the R/G editing site of GluR-2. The structure provides a molecular basis for how dsRBMs recognize the shape, and also more surprisingly, the sequence of the dsRNA. The unexpected direct readout of the RNA primary sequence by dsRBMs is achieved via the minor groove of the dsRNA and this recognition is critical for both editing and binding affinity at the R/G site of GluR-2. More generally, our findings suggest a solution to the sequence-specific paradox faced by many dsRBM-containing proteins that are involved in post-transcriptional regulation of gene expression.

    Organizational Affiliation: 

    Institute of Molecular Biology and Biophysics, ETH Zurich, CH-8093 Zürich, Switzerland.



Macromolecules

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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Double-stranded RNA-specific editase 1A74Rattus norvegicusMutation(s): 0 
Gene Names: Adarb1, Red1
EC: 3.5 (PDB Primary Data), 3.5.4.37 (UniProt)
UniProt
Find proteins for P51400 (Rattus norvegicus)
Explore P51400 
Go to UniProtKB:  P51400
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UniProt GroupP51400
Protein Feature View
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  • Reference Sequence
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Entity ID: 2
MoleculeChainsLengthOrganismImage
RNA (34-MER)B34Rattus norvegicus
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 40 
  • Conformers Submitted: 20 
  • Selection Criteria: structures with the lowest energy 

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-10-27
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance