PDBe 1y01

X-ray diffraction
2.8Å resolution

Crystal structure of AHSP bound to Fe(II) alpha-hemoglobin

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Hemoglobin subunit alpha Chain: B
Molecule details ›
Chain: B
Length: 142 amino acids
Theoretical weight: 15.28 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P69905 (Residues: 1-142; Coverage: 100%)
Gene names: HBA1, HBA2
Sequence domains: Globin
Structure domains: Globins
Alpha-hemoglobin-stabilizing protein Chain: A
Molecule details ›
Chain: A
Length: 102 amino acids
Theoretical weight: 11.83 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9NZD4 (Residues: 1-102; Coverage: 100%)
Gene names: AHSP, EDRF, ERAF
Sequence domains: Alpha-haemoglobin stabilising protein
Structure domains: Alpha-hemoglobin stabilizing protein

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25, null
Spacegroup: P41212
Unit cell:
a: 69.63Å b: 69.63Å c: 140.466Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.274 0.273 0.292
Expression system: Escherichia coli