2KFW

Solution structure of full-length SlyD from E.coli


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

The interaction of the Escherichia coli protein SlyD with nickel ions illuminates the mechanism of regulation of its peptidyl-prolyl isomerase activity.

Martino, L.He, Y.Hands-Taylor, K.L.Valentine, E.R.Kelly, G.Giancola, C.Conte, M.R.

(2009) Febs J. 276: 4529-4544

  • DOI: 10.1111/j.1742-4658.2009.07159.x

  • PubMed Abstract: 
  • The sensitive to lysis D (SlyD) protein from Escherichia coli is related to the FK506-binding protein family, and it harbours both peptidyl-prolyl cis-trans isomerase (PPIase) and chaperone-like activity, preventing aggregation and promoting the corr ...

    The sensitive to lysis D (SlyD) protein from Escherichia coli is related to the FK506-binding protein family, and it harbours both peptidyl-prolyl cis-trans isomerase (PPIase) and chaperone-like activity, preventing aggregation and promoting the correct folding of other proteins. Whereas a functional role of SlyD as a protein-folding catalyst in vivo remains unclear, SlyD has been shown to be an essential component for [Ni-Fe]-hydrogenase metallocentre assembly in bacteria. Interestingly, the isomerase activity of SlyD is uniquely modulated by nickel ions, which possibly regulate its functions in response to external stimuli. In this work, we investigated the solution structure of SlyD and its interaction with nickel ions, enabling us to gain insights into the molecular mechanism of this regulation. We have revealed that the PPIase module of SlyD contains an additional C-terminal alpha-helix packed against the catalytic site of the domain; unexpectedly, our results show that the interaction of SlyD with nickel ions entails participation of the novel structural features of the PPIase domain, eliciting structural alterations of the catalytic pocket. We suggest that such conformational rearrangements upon metal binding underlie the ability of nickel ions to regulate the isomerase activity of SlyD.


    Organizational Affiliation

    Randall Division of Cell and Molecular Biophysics, King's College London, London, UK.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
FKBP-type peptidyl-prolyl cis-trans isomerase slyD
A
196Escherichia coli (strain K12)Mutation(s): 0 
Gene Names: slyD
EC: 5.2.1.8
Find proteins for P0A9K9 (Escherichia coli (strain K12))
Go to UniProtKB:  P0A9K9
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 20 
  • Selection Criteria: structures with the lowest energy 
  • Olderado: 2KFW Olderado

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2009-09-15
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance