2OUX | pdb_00002oux

Crystal structure of the soluble part of a magnesium transporter

• PDB DOI: https://doi.org/10.2210/pdb2OUX/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Enterococcus faecalis V583
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2007-02-12 Released: 2007-03-20 
• Deposition Author(s): Sugadev, R., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free: 
  0.306 (Depositor), 0.305 (DCC) 
• R-Value Work: 
  0.260 (Depositor), 0.260 (DCC) 
• R-Value Observed: 
  0.260 (Depositor) 

Literature

Structural studies on cytosolic domain of magnesium transporter MgtE from Enterococcus faecalis.

Ragumani, S., Sauder, J.M., Burley, S.K., Swaminathan, S.

(2010) Proteins 78: 487-491

• PubMed: 19787770 
• DOI: https://doi.org/10.1002/prot.22585
• Primary Citation Related Structures: 
  2OUX

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Organizational Affiliation: 
• Brookhaven National Laboratory, Biology Department, Upton, New York 11973, USA.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 66.38 kDa 
• Atom Count: 4,298 
• Modeled Residue Count: 513 
• Deposited Residue Count: 572 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Magnesium transporter	A, B	286	Enterococcus faecalis V583	Mutation(s): 11  Gene Names: mgtE, EF_2668
UniProt
Find proteins for Q830V1 (Enterococcus faecalis (strain ATCC 700802 / V583)) Explore Q830V1  Go to UniProtKB:  Q830V1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth B], I [auth B], J [auth B], K [auth B], L [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free:  0.306 (Depositor), 0.305 (DCC) 
• R-Value Work:  0.260 (Depositor), 0.260 (DCC) 
• R-Value Observed: 0.260 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.215	α = 90
b = 79.662	β = 90
c = 105.886	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
CBASS	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	phasing
SHARP	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-03-20 
Deposition Author(s): Sugadev, R., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2007-03-20
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2012-10-24
  Changes: Database references
• Version 1.4: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.5: 2024-10-30
  Changes: Data collection, Database references, Structure summary