› 1q9i

X-ray diffraction
1.6Å resolution

The A251C:S430C double mutant of flavocytochrome c3 from Shewanella frigidimarina

Released:
DOI: 10.2210/pdb1q9i/pdb
PDB entry 1q9i coloured by chain, front view.
PDB entry 1q9i coloured by chain, side view.
PDB entry 1q9i coloured by chain, top view.
Source organism: Shewanella frigidimarina
Primary publication:
Probing domain mobility in a flavocytochrome.
Rothery EL, Mowat CG, Miles CS, Mott S, Walkinshaw MD, Reid GA, Chapman SK
Biochemistry 43 4983-9 (2004)
PMID: 15109257

Function and Biology Details

Reaction catalysed: 
Succinate + a quinone = fumarate + a quinol
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-170580 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Fumarate reductase (cytochrome) Chain: A
Molecule details ›
Chain: A
Length: 571 amino acids
Theoretical weight: 60.68 KDa
Source organism: Shewanella frigidimarina
Expression system: Shewanella frigidimarina
UniProt:
  • Canonical: Q07WU7 (Residues: 26-596; Coverage: 100%)
Gene names: Sfri_3690, fcc3, fccA
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand HEC 4 x HEC

Cofactor: Ligand FAD 1 x FAD
2 bound ligands:
Ligand NA 1 x NA
Ligand TEO 1 x TEO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX14.2
Spacegroup: P21
Unit cell:
a: 45.29Å b: 91.885Å c: 78.31Å
α: 90° β: 91.5° γ: 90°
R-values:
R R work R free
0.157 0.155 0.197
Expression system: Shewanella frigidimarina

Quick links

Citations

2 review citations

Catalytic mechanisms of complex II enzymes: a structural perspective.
Iverson TM. (2013)
1 more

1 mention without citation

Hidden relationships between metalloproteins unveiled by structural comparison of their metal sites.
Valasatava et al. (2015)