2v3b

X-ray diffraction
2.45Å resolution

Crystal structure of the electron transfer complex rubredoxin - rubredoxin reductase from Pseudomonas aeruginosa.

Released:

Function and Biology Details

Reaction catalysed:
2 reduced rubredoxin + NAD(+) + H(+) = 2 oxidized rubredoxin + NADH
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-190928 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Rubredoxin-NAD(+) reductase Chain: A
Molecule details ›
Chain: A
Length: 384 amino acids
Theoretical weight: 40.66 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9HTK9 (Residues: 1-384; Coverage: 100%)
Gene names: PA5349, alkT
Sequence domains:
Structure domains:
Rubredoxin-2 Chain: B
Molecule details ›
Chain: B
Length: 55 amino acids
Theoretical weight: 6.18 KDa
Source organism: Pseudomonas aeruginosa PAO1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9HTK8 (Residues: 1-55; Coverage: 100%)
Gene names: PA5350, alkG2, rubA2
Sequence domains: Rubredoxin
Structure domains: Rubrerythrin, domain 2

Ligands and Environments


Cofactor: Ligand FAD 1 x FAD
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE BW7A
Spacegroup: P2221
Unit cell:
a: 61.07Å b: 97.15Å c: 81.26Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.185 0.181 0.246
Expression system: Escherichia coli