› 1i54

X-ray diffraction
1.5Å resolution

CYTOCHROME C (TUNA) 2FE:1ZN MIXED-METAL PORPHYRINS

Released:
DOI: 10.2210/pdb1i54/pdb
PDB entry 1i54 coloured by chain, front view.
PDB entry 1i54 coloured by chain, side view.
PDB entry 1i54 coloured by chain, top view.
Source organism: Thunnus thynnus
Primary publication:
Electron tunneling in protein crystals.
Tezcan FA, Crane BR, Winkler JR, Gray HB
Proc Natl Acad Sci U S A 98 5002-6 (2001)
PMID: 11296248

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-160525 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cytochrome c Chains: A, B
Molecule details ›
Chains: A, B
Length: 103 amino acids
Theoretical weight: 11.39 KDa
Source organism: Thunnus thynnus
UniProt:
  • Canonical: P81459 (Residues: 1-103; Coverage: 100%)
Gene name: cyc
Sequence domains: Cytochrome c
Structure domains: Cytochrome c-like domain

Ligands and Environments

2 bound ligands:
Ligand HEC 2 x HEC
Ligand ZNH 2 x ZNH
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P43
Unit cell:
a: 74.18Å b: 74.18Å c: 35.538Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.226 0.226 0.247

Quick links

Citations

6 review citations

Proton-coupled electron flow in protein redox machines.
Dempsey et al. (2010)
5 more

2 mentions without citation

Electron tunneling in protein crystals.
Tezcan et al. (2001)
1 more