1EKZ

NMR STRUCTURE OF THE COMPLEX BETWEEN THE THIRD DSRBD FROM DROSOPHILA STAUFEN AND A RNA HAIRPIN


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 36 
  • Selection Criteria: structures with the least restraint violations, structures with the lowest energy 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

RNA recognition by a Staufen double-stranded RNA-binding domain.

Ramos, A.Grunert, S.Adams, J.Micklem, D.R.Proctor, M.R.Freund, S.Bycroft, M.St Johnston, D.Varani, G.

(2000) EMBO J. 19: 997-1009

  • DOI: 10.1093/emboj/19.5.997

  • PubMed Abstract: 
  • The double-stranded RNA-binding domain (dsRBD) is a common RNA-binding motif found in many proteins involved in RNA maturation and localization. To determine how this domain recognizes RNA, we have studied the third dsRBD from Drosophila Staufen. The ...

    The double-stranded RNA-binding domain (dsRBD) is a common RNA-binding motif found in many proteins involved in RNA maturation and localization. To determine how this domain recognizes RNA, we have studied the third dsRBD from Drosophila Staufen. The domain binds optimally to RNA stem-loops containing 12 uninterrupted base pairs, and we have identified the amino acids required for this interaction. By mutating these residues in a staufen transgene, we show that the RNA-binding activity of dsRBD3 is required in vivo for Staufen-dependent localization of bicoid and oskar mRNAs. Using high-resolution NMR, we have determined the structure of the complex between dsRBD3 and an RNA stem-loop. The dsRBD recognizes the shape of A-form dsRNA through interactions between conserved residues within loop 2 and the minor groove, and between loop 4 and the phosphodiester backbone across the adjacent major groove. In addition, helix alpha1 interacts with the single-stranded loop that caps the RNA helix. Interactions between helix alpha1 and single-stranded RNA may be important determinants of the specificity of dsRBD proteins.


    Organizational Affiliation

    MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH.




Macromolecules

Find similar proteins by: Sequence  |  Structure


Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
MATERNAL EFFECT PROTEIN (STAUFEN)
A
76Drosophila melanogasterMutation(s): 0 
Gene Names: stau
Find proteins for P25159 (Drosophila melanogaster)
Go to UniProtKB:  P25159
Entity ID: 1
MoleculeChainsLengthOrganism
STAUFEN DOUBLE-STRANDED RNA BINDING DOMAINB30N/A
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 36 
  • Selection Criteria: structures with the least restraint violations, structures with the lowest energy 
  • Olderado: 1EKZ Olderado

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2000-08-21
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance