4AW8

X-ray structure of ZinT from Salmonella enterica in complex with zinc ion and PEG


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.257 
  • R-Value Work: 0.212 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

The Salmonella Enterica Zint Structure, Zinc Affinity and Interaction with the High-Affinity Uptake Protein Znua Provide Insight Into the Management of Periplasmic Zinc.

Ilari, A.Alaleona, F.Tria, G.Petrarca, P.Battistoni, A.Zamparelli, C.Verzili, D.Falconi, M.Chiancone, E.

(2014) Biochim.Biophys.Acta 1840: 535

  • DOI: 10.1016/j.bbagen.2013.10.010
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • In Gram-negative bacteria the ZnuABC transporter ensures adequate zinc import in Zn(II)-poor environments, like those encountered by pathogens within the infected host. Recently, the metal-binding protein ZinT was suggested to operate as an accessory ...

    In Gram-negative bacteria the ZnuABC transporter ensures adequate zinc import in Zn(II)-poor environments, like those encountered by pathogens within the infected host. Recently, the metal-binding protein ZinT was suggested to operate as an accessory component of ZnuABC in periplasmic zinc recruitment. Since ZinT is known to form a ZinT-ZnuA complex in the presence of Zn(II) it was proposed to transfer Zn(II) to ZnuA. The present work was undertaken to test this claim.


    Organizational Affiliation

    CNR Institute of Molecular Biology and Pathology and Department of Biochemical Sciences, "Sapienza" University of Rome, Piazzale A. Moro 5, 00185 Rome, Italy.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
METAL-BINDING PROTEIN YODA
A
186N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

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Download CCD File 
A
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
NA
Query on NA

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Download CCD File 
A
SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
 Ligand Interaction
SO4
Query on SO4

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Download CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
PG6
Query on PG6

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Download CCD File 
A
1-(2-METHOXY-ETHOXY)-2-{2-[2-(2-METHOXY-ETHOXY]-ETHOXY}-ETHANE
C12 H26 O6
DMDPGPKXQDIQQG-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
ZNKd: 22 nM PDBBIND
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.257 
  • R-Value Work: 0.212 
  • Space Group: P 61 2 2
Unit Cell:
Length (Å)Angle (°)
a = 58.540α = 90.00
b = 58.540β = 90.00
c = 290.370γ = 120.00
Software Package:
Software NamePurpose
REFMACrefinement
MOLREPphasing
MOSFLMdata reduction
SCALAdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-06-19
    Type: Initial release
  • Version 1.1: 2013-12-25
    Type: Database references