1u75

X-ray diffraction
2.55Å resolution

Electron Transfer Complex between Horse Heart Cytochrome c and Zinc-Porphyrin Substituted Cytochrome c Peroxidase

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-132214 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Cytochrome c peroxidase, mitochondrial Chains: A, C
Molecule details ›
Chains: A, C
Length: 296 amino acids
Theoretical weight: 33.77 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P00431 (Residues: 68-361; Coverage: 81%)
Gene names: CCP, CCP1, CPO, YKR066C
Sequence domains: Peroxidase
Structure domains:
Cytochrome c Chain: B
Molecule details ›
Chain: B
Length: 104 amino acids
Theoretical weight: 11.73 KDa
Source organism: Equus caballus
UniProt:
  • Canonical: P00004 (Residues: 2-105; Coverage: 99%)
Gene names: CYC, CYCS
Sequence domains: Cytochrome c
Structure domains: Cytochrome c-like domain

Ligands and Environments


Cofactor: Ligand HEC 1 x HEC

Cofactor: Ligand ZNH 2 x ZNH
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE A1
Spacegroup: P43212
Unit cell:
a: 104.465Å b: 104.465Å c: 186.884Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.273 0.271 0.306
Expression system: Escherichia coli BL21(DE3)