PDBe 3szk

X-ray diffraction
3.01Å resolution

Crystal Structure of Human metHaemoglobin Complexed with the First NEAT Domain of IsdH from Staphylococcus aureus


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Hemoglobin subunit alpha Chains: A, D
Molecule details ›
Chains: A, D
Length: 141 amino acids
Theoretical weight: 15.15 KDa
Source organism: Homo sapiens
  • Canonical: P69905 (Residues: 2-142; Coverage: 99%)
Gene names: HBA1, HBA2
Sequence domains: Globin
Structure domains: Globins
Hemoglobin subunit beta Chains: B, E
Molecule details ›
Chains: B, E
Length: 146 amino acids
Theoretical weight: 15.89 KDa
Source organism: Homo sapiens
  • Canonical: P68871 (Residues: 2-147; Coverage: 99%)
Gene name: HBB
Sequence domains: Globin
Structure domains: Globins
Iron-regulated surface determinant protein H Chains: C, F
Molecule details ›
Chains: C, F
Length: 164 amino acids
Theoretical weight: 18.9 KDa
Source organism: Staphylococcus aureus subsp. aureus MW2
Expression system: Escherichia coli
  • Canonical: Q8NW39 (Residues: 86-229; Coverage: 17%)
Gene names: MW1674, harA, isdH, sasI
Sequence domains: Iron Transport-associated domain
Structure domains: Immunoglobulin-like

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P212121
Unit cell:
a: 65.88Å b: 123.206Å c: 143.933Å
α: 90° β: 90° γ: 90°
R R work R free
0.247 0.245 0.275
Expression system: Escherichia coli