2XLI

Crystal structure of the Csy4-crRNA complex, monoclinic form


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.33 Å
  • R-Value Free: 0.247 
  • R-Value Work: 0.218 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Sequence- and Structure-Specific RNA Processing by a Crispr Endonuclease.

Haurwitz, R.E.Jinek, M.Wiedenheft, B.Zhou, K.Doudna, J.A.

(2010) Science 329: 1355

  • DOI: 10.1126/science.1192272
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Many bacteria and archaea contain clustered regularly interspaced short palindromic repeats (CRISPRs) that confer resistance to invasive genetic elements. Central to this immune system is the production of CRISPR-derived RNAs (crRNAs) after transcrip ...

    Many bacteria and archaea contain clustered regularly interspaced short palindromic repeats (CRISPRs) that confer resistance to invasive genetic elements. Central to this immune system is the production of CRISPR-derived RNAs (crRNAs) after transcription of the CRISPR locus. Here, we identify the endoribonuclease (Csy4) responsible for CRISPR transcript (pre-crRNA) processing in Pseudomonas aeruginosa. A 1.8 angstrom crystal structure of Csy4 bound to its cognate RNA reveals that Csy4 makes sequence-specific interactions in the major groove of the crRNA repeat stem-loop. Together with electrostatic contacts to the phosphate backbone, these enable Csy4 to bind selectively and cleave pre-crRNAs using phylogenetically conserved serine and histidine residues in the active site. The RNA recognition mechanism identified here explains sequence- and structure-specific processing by a large family of CRISPR-specific endoribonucleases.


    Organizational Affiliation

    Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure


Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
CSY4 ENDORIBONUCLEASE
A
191Pseudomonas aeruginosa (strain UCBPP-PA14)Mutation(s): 0 
Gene Names: cas6f (csy4)
EC: 3.1.-.-
Find proteins for Q02MM2 (Pseudomonas aeruginosa (strain UCBPP-PA14))
Go to UniProtKB:  Q02MM2
Entity ID: 2
MoleculeChainsLengthOrganism
5'-R(*CP*UP*GP*CP*CP*GP*UP*AP*UP*AP*GP*GP*CP*A*DG*C)-3'B16Pseudomonas aeruginosa UCBPP-PA14
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.33 Å
  • R-Value Free: 0.247 
  • R-Value Work: 0.218 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 62.370α = 90.00
b = 46.770β = 108.62
c = 86.820γ = 90.00
Software Package:
Software NamePurpose
PHENIXphasing
XDSdata reduction
PHENIXrefinement
XSCALEdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2010-09-22
    Type: Initial release
  • Version 1.1: 2011-05-08
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance