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Crystal Structure of NFeoB from P. furiosus

X-ray diffraction
2.7Å resolution
PDB entry 3k53 coloured by chain, front view.
PDB entry 3k53 coloured by chain, side view.
PDB entry 3k53 coloured by chain, top view.
Source organism: Pyrococcus furiosus
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Ferrous iron transport protein B
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Multimeric state: homo dimer
Accessible surface area: 24092.23 Å2
Buried surface area: 2213.13 Å2
Dissociation area: 1,106.56 Å2
Dissociation energy (ΔGdiss): -2.78 kcal/mol
Dissociation entropy (TΔSdiss): 13.03 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-186442
Assembly 2
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Assembly Name: Ferrous iron transport protein B
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Multimeric state: homo dimer
Accessible surface area: 24149.15 Å2
Buried surface area: 2236.4 Å2
Dissociation area: 1,118.2 Å2
Dissociation energy (ΔGdiss): -0.53 kcal/mol
Dissociation entropy (TΔSdiss): 13.44 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-186442

Macromolecules

Ferrous iron transport protein B
Chains: A, B, C, D
Length: 271 amino acids
Theoretical weight: 31.19 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8U2H8 (Residues: 2-270; Coverage: 41%)
Gene name: PF0857
Pfam:
InterPro:
CATH:
FeoB-type G domain-containing protein in PDB entry 3k53, assembly 1, front view.
FeoB-type G domain-containing protein in PDB entry 3k53, assembly 1, side view.
FeoB-type G domain-containing protein in PDB entry 3k53, assembly 1, top view.
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