X-ray diffraction
2.25Å resolution

Crystal structure of the [Fe3S4]-ferredoxin from the hyperthermophilic archaeon Pyrococcus furiosus


Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Ferredoxin Chains: A, C
Molecule details ›
Chains: A, C
Length: 66 amino acids
Theoretical weight: 7.17 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli
  • Canonical: P29603 (Residues: 2-67; Coverage: 99%)
Gene names: PF1909, fdxA
Sequence domains: 4Fe-4S single cluster domain of Ferredoxin I
Structure domains: Alpha-Beta Plaits

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P212121
Unit cell:
a: 47.447Å b: 51.637Å c: 54.549Å
α: 90° β: 90° γ: 90°
R R work R free
0.241 0.239 0.289
Expression system: Escherichia coli