› 2ark

X-ray diffraction
2.4Å resolution

Structure of a flavodoxin from Aquifex aeolicus

Released:
DOI: 10.2210/pdb2ark/pdb
PDB entry 2ark coloured by chain, front view.
PDB entry 2ark coloured by chain, side view.
PDB entry 2ark coloured by chain, top view.
Source organism: Aquifex aeolicus
Entry authors: Cuff ME, Quartey P, Zhou M, Cymborowski M, Minor W, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-130580 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Flavodoxin Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 188 amino acids
Theoretical weight: 21.07 KDa
Source organism: Aquifex aeolicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O67866 (Residues: 1-185; Coverage: 100%)
Gene names: aq_2096, fldA, floX
Sequence domains: Flavodoxin
Structure domains: Rossmann fold

Ligands and Environments

2 bound ligands:
Ligand PO4 6 x PO4
Ligand GOL 6 x GOL
1 modified residue:
Ligand MSE 42 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P3221
Unit cell:
a: 112.846Å b: 112.846Å c: 150.648Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.174 0.171 0.235
Expression system: Escherichia coli BL21(DE3)

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