3ia3

X-ray diffraction
3.2Å resolution

A cis-proline in alpha-hemoglobin stabilizing Protein directs the structural reorganization of alpha-hemoglobin

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-159684 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Alpha-hemoglobin-stabilizing protein Chains: A, C
Molecule details ›
Chains: A, C
Length: 91 amino acids
Theoretical weight: 10.68 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9NZD4 (Residues: 1-91; Coverage: 89%)
Gene names: AHSP, EDRF, ERAF
Sequence domains: Alpha-haemoglobin stabilising protein
Structure domains: AHSP
Hemoglobin subunit alpha Chains: B, D
Molecule details ›
Chains: B, D
Length: 145 amino acids
Theoretical weight: 15.56 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

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE A1
Spacegroup: P6122
Unit cell:
a: 65.23Å b: 65.23Å c: 439.66Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.242 0.23 0.293
Expression system: Escherichia coli