PDBe 1ird

X-ray diffraction
1.25Å resolution

Crystal Structure of Human Carbonmonoxy-Haemoglobin at 1.25 A Resolution

Released:
Source organism: Homo sapiens
Entry authors: Park S-Y, Tame JRH

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Hemoglobin subunit beta Chain: B
Molecule details ›
Chain: B
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
Structure domains: Globins
Hemoglobin subunit alpha Chain: A
Molecule details ›
Chain: A
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
Structure domains: Globins

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL44B2
Spacegroup: P41212
Unit cell:
a: 53.27Å b: 53.27Å c: 190.78Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.163 0.163 0.214