4ij2

X-ray diffraction
4.24Å resolution

Human methemoglobin in complex with the second and third NEAT domains of IsdH from Staphylococcus aureus

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Hemoglobin subunit alpha Chains: A, C
Molecule details ›
Chains: A, C
Length: 141 amino acids
Theoretical weight: 15.15 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P69905 (Residues: 2-142; Coverage: 99%)
Gene names: HBA1, HBA2
Sequence domains: Globin
Hemoglobin subunit beta Chains: B, D
Molecule details ›
Chains: B, D
Length: 146 amino acids
Theoretical weight: 15.89 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P68871 (Residues: 2-147; Coverage: 99%)
Gene name: HBB
Sequence domains: Globin
Iron-regulated surface determinant protein H Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 336 amino acids
Theoretical weight: 38.84 KDa
Source organism: Staphylococcus aureus subsp. aureus USA300
Expression system: Escherichia coli
UniProt:
  • Canonical: Q2FG07 (Residues: 326-660; Coverage: 39%)
Gene names: SAUSA300_1677, harA, isdH, sasI
Sequence domains: Iron Transport-associated domain

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P21212
Unit cell:
a: 132.903Å b: 185.297Å c: 103.205Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.3 0.3 0.31
Expression system: Escherichia coli