5M87

Crystal structure of Eremococcus coleocola manganese transporter


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.277 
  • R-Value Work: 0.232 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structural and mechanistic basis of proton-coupled metal ion transport in the SLC11/NRAMP family.

Ehrnstorfer, I.A.Manatschal, C.Arnold, F.M.Laederach, J.Dutzler, R.

(2017) Nat Commun 8: 14033-14033

  • DOI: 10.1038/ncomms14033
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Secondary active transporters of the SLC11/NRAMP family catalyse the uptake of iron and manganese into cells. These proteins are highly conserved across all kingdoms of life and thus likely share a common transport mechanism. Here we describe the str ...

    Secondary active transporters of the SLC11/NRAMP family catalyse the uptake of iron and manganese into cells. These proteins are highly conserved across all kingdoms of life and thus likely share a common transport mechanism. Here we describe the structural and functional properties of the prokaryotic SLC11 transporter EcoDMT. Its crystal structure reveals a previously unknown outward-facing state of the protein family. In proteoliposomes EcoDMT mediates proton-coupled uptake of manganese at low micromolar concentrations. Mutants of residues in the transition-metal ion-binding site severely affect transport, whereas a mutation of a conserved histidine located near this site results in metal ion transport that appears uncoupled to proton transport. Combined with previous results, our study defines the conformational changes underlying transition-metal ion transport in the SLC11 family and it provides molecular insight to its coupling to protons.


    Organizational Affiliation

    Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Divalent metal cation transporter MntH
A
519Eremococcus coleocola ACS-139-V-Col8Mutation(s): 0 
Gene Names: mntH
Find proteins for E4KPW4 (Eremococcus coleocola ACS-139-V-Col8)
Go to UniProtKB:  E4KPW4
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
DMU
Query on DMU

Download SDF File 
Download CCD File 
A
DECYL-BETA-D-MALTOPYRANOSIDE
DECYLMALTOSIDE
C22 H42 O11
WOQQAWHSKSSAGF-WXFJLFHKSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.277 
  • R-Value Work: 0.232 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 149.200α = 90.00
b = 81.650β = 107.57
c = 96.230γ = 90.00
Software Package:
Software NamePurpose
SHARPphasing
XDSdata reduction
PHENIXrefinement
XDSdata scaling
SHELXCDphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Swiss National Science FoundationSwitzerland--

Revision History 

  • Version 1.0: 2017-01-11
    Type: Initial release
  • Version 1.1: 2017-01-18
    Type: Database references
  • Version 1.2: 2017-09-13
    Type: Author supporting evidence