› 2iub

X-ray diffraction
2.9Å resolution

Crystal structure of a divalent metal ion transporter CorA at 2.9 A resolution.

Released:
DOI: 10.2210/pdb2iub/pdb
PDB entry 2iub coloured by chain, front view.
PDB entry 2iub coloured by chain, side view.
PDB entry 2iub coloured by chain, top view.
Source organism: Thermotoga maritima
Primary publication:
Crystal structure of a divalent metal ion transporter CorA at 2.9 angstrom resolution.
Eshaghi S, Niegowski D, Kohl A, Martinez Molina D, Lesley SA, Nordlund P
Science 313 354-7 (2006)
PMID: 16857941

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
homo pentamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-194571 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cobalt/magnesium transport protein CorA Chains: A, B, C, D, E, F, G, H, I, J
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J
Length: 363 amino acids
Theoretical weight: 42.96 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9WZ31 (Residues: 1-351; Coverage: 100%)
Gene names: TM_0561, corA
Sequence domains: CorA-like Mg2+ transporter protein
Structure domains:

Ligands and Environments

2 bound ligands:
Ligand CL 7 x CL
Ligand MG 21 x MG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P21
Unit cell:
a: 116.23Å b: 151.46Å c: 143.32Å
α: 90° β: 98.88° γ: 90°
R-values:
R R work R free
0.262 0.26 0.291
Expression system: Escherichia coli

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Citations

24 review citations

Coordination chemistry of bacterial metal transport and sensing.
Ma et al. (2009)
23 more

11 mentions without citation

PoreWalker: a novel tool for the identification and characterization of channels in transmembrane proteins from their three-dimensional structure.
Pellegrini-Calace et al. (2009)
10 more