› 1wad

X-ray diffraction
1.8Å resolution

CYTOCHROME C3 WITH 4 HEME GROUPS AND ONE CALCIUM ION

Released:
DOI: 10.2210/pdb1wad/pdb
PDB entry 1wad coloured by chain, front view.
PDB entry 1wad coloured by chain, side view.
PDB entry 1wad coloured by chain, top view.
Source organism: Megalodesulfovibrio gigas
Primary publication:
Cytochrome c3 from Desulfovibrio gigas: crystal structure at 1.8 A resolution and evidence for a specific calcium-binding site.
Matias PM, Morais J, Coelho R, Carrondo MA, Wilson K, Dauter Z, Sieker L
Protein Sci 5 1342-54 (1996)
PMID: 8819167

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-132282 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome c3 Chain: A
Molecule details ›
Chain: A
Length: 112 amino acids
Theoretical weight: 12 KDa
Source organism: Megalodesulfovibrio gigas
UniProt:
  • Canonical: P00133 (Residues: 1-112; Coverage: 100%)
Sequence domains: Class III cytochrome C family
Structure domains: Cytochrome C3

Ligands and Environments

2 bound ligands:
Ligand CA 1 x CA
Ligand HEM 4 x HEM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11
Spacegroup: P212121
Unit cell:
a: 41.8Å b: 50.1Å c: 51.7Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.149 not available 0.219

Quick links

Citations

3 review citations

EPR spectroscopy: a powerful technique for the structural and functional investigation of metalloproteins.
More et al. (1999)
2 more