2eix

X-ray diffraction
1.56Å resolution

The Structure of Physarum polycephalum cytochrome b5 reductase

Released:
Source organism: Physarum polycephalum
Primary publication:
Structure of Physarum polycephalum cytochrome b5 reductase at 1.56 A resolution.
Acta Crystallogr Sect F Struct Biol Cryst Commun 63 274-9 (2007)
PMID: 17401193

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-172876 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
NADH-cytochrome b5 reductase Chains: A, B
Molecule details ›
Chains: A, B
Length: 243 amino acids
Theoretical weight: 27.78 KDa
Source organism: Physarum polycephalum
Expression system: Escherichia coli
UniProt:
  • Canonical: Q1HA49 (Residues: 39-281; Coverage: 87%)
Gene name: b5R
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand FAD 2 x FAD
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL44XU
Spacegroup: P212121
Unit cell:
a: 101.084Å b: 136.369Å c: 45.718Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.184 0.18 0.226
Expression system: Escherichia coli