5N1U

Structure of xEco2 acetyltransferase domain


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.976 Å
  • R-Value Free: 0.268 
  • R-Value Work: 0.223 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structural Basis of Eco1-Mediated Cohesin Acetylation.

Chao, W.C.Wade, B.O.Bouchoux, C.Jones, A.W.Purkiss, A.G.Federico, S.O'Reilly, N.Snijders, A.P.Uhlmann, F.Singleton, M.R.

(2017) Sci Rep 7: 44313-44313

  • DOI: 10.1038/srep44313
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Sister-chromatid cohesion is established by Eco1-mediated acetylation on two conserved tandem lysines in the cohesin Smc3 subunit. However, the molecular basis of Eco1 substrate recognition and acetylation in cohesion is not fully understood. Here, w ...

    Sister-chromatid cohesion is established by Eco1-mediated acetylation on two conserved tandem lysines in the cohesin Smc3 subunit. However, the molecular basis of Eco1 substrate recognition and acetylation in cohesion is not fully understood. Here, we discover and rationalize the substrate specificity of Eco1 using mass spectrometry coupled with in-vitro acetylation assays and crystallography. Our structures of the X. laevis Eco2 (xEco2) bound to its primary and secondary Smc3 substrates demonstrate the plasticity of the substrate-binding site, which confers substrate specificity by concerted conformational changes of the central β hairpin and the C-terminal extension.


    Organizational Affiliation

    Structural Biology of Chromosome Segregation Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
XEco2
A, B
183Xenopus laevisMutation(s): 0 
Gene Names: xeco2
Find proteins for A8QZK6 (Xenopus laevis)
Go to UniProtKB:  A8QZK6
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
COA
Query on COA

Download SDF File 
Download CCD File 
A, B
COENZYME A
C21 H36 N7 O16 P3 S
RGJOEKWQDUBAIZ-IBOSZNHHSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.976 Å
  • R-Value Free: 0.268 
  • R-Value Work: 0.223 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 58.475α = 90.00
b = 66.287β = 90.00
c = 109.763γ = 90.00
Software Package:
Software NamePurpose
Aimlessdata scaling
PHASERphasing
PDB_EXTRACTdata extraction
PHENIXrefinement
xia2data reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Cancer Research UKUnited KingdomFC001155
Wellcome TrustUnited KingdomFC001155
Medical Research Council (United Kingdom)United KingdomFC001155

Revision History 

  • Version 1.0: 2017-03-15
    Type: Initial release
  • Version 1.1: 2017-03-29
    Type: Database references
  • Version 1.2: 2017-09-13
    Type: Author supporting evidence