2Y2T

E. coli CsgC in reduced form


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.237 
  • R-Value Observed: 0.238 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Atomic Resolution Insights Into Curli Fiber Biogenesis.

Taylor, J.D.Zhou, Y.Salgado, P.S.Patwardhan, A.Mcguffie, M.Pape, T.Grabe, G.Ashman, E.Constable, S.C.Simpson, P.J.Lee, W.C.Cota, E.Chapman, M.R.Matthews, S.J.

(2011) Structure 19: 1307

  • DOI: 10.1016/j.str.2011.05.015
  • Primary Citation of Related Structures:  
    2Y2T, 2Y2Y

  • PubMed Abstract: 
  • Bacteria produce functional amyloid fibers called curli in a controlled, noncytotoxic manner. These extracellular fimbriae enable biofilm formation and promote pathogenicity. Understanding curli biogenesis is important for appreciating microbial lifestyles and will offer clues as to how disease-associated human amyloid formation might be ameliorated ...

    Bacteria produce functional amyloid fibers called curli in a controlled, noncytotoxic manner. These extracellular fimbriae enable biofilm formation and promote pathogenicity. Understanding curli biogenesis is important for appreciating microbial lifestyles and will offer clues as to how disease-associated human amyloid formation might be ameliorated. Proteins encoded by the curli specific genes (csgA-G) are required for curli production. We have determined the structure of CsgC and derived the first structural model of the outer-membrane subunit translocator CsgG. Unexpectedly, CsgC is related to the N-terminal domain of DsbD, both in structure and oxido-reductase capability. Furthermore, we show that CsgG belongs to the nascent class of helical outer-membrane macromolecular exporters. A cysteine in a CsgG transmembrane helix is a potential target of CsgC, and mutation of this residue influences curli assembly. Our study provides the first high-resolution structural insights into curli biogenesis.


    Organizational Affiliation

    Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London, SW7 2AZ, UK.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
CURLI PRODUCTION PROTEIN CSGCA110Escherichia coli O157:H7 str. EC4115Mutation(s): 0 
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.237 
  • R-Value Observed: 0.238 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 36.972α = 90
b = 80.549β = 90
c = 70.563γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
d*TREKdata reduction
d*TREKdata scaling
PHASERphasing

Structure Validation

View Full Validation Report




Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-09-21
    Type: Initial release
  • Version 1.1: 2014-03-12
    Changes: Source and taxonomy
  • Version 1.2: 2017-07-05
    Changes: Data collection