X-ray diffraction
2.2Å resolution

Wild type human ferrochelatase crystallized with ammonium sulfate


Function and Biology Details

Reaction catalysed:
Protoheme + 2 H(+) = protoporphyrin + Fe(2+)
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Ferrochelatase, mitochondrial Chains: A, B
Molecule details ›
Chains: A, B
Length: 359 amino acids
Theoretical weight: 41.18 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P22830 (Residues: 65-423; Coverage: 85%)
Gene name: FECH
Sequence domains: Ferrochelatase
Structure domains: Rossmann fold

Ligands and Environments

Cofactor: Ligand HEM 1 x HEM
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.2
Spacegroup: P212121
Unit cell:
a: 88.067Å b: 93.088Å c: 111.411Å
α: 90° β: 90° γ: 90°
R R work R free
0.209 0.209 0.242
Expression system: Escherichia coli