› 1v75

X-ray diffraction
2.02Å resolution

Crystal structure of hemoglobin D from the Aldabra giant tortoise (Geochelone gigantea) at 2.0 A resolution

Released:
DOI: 10.2210/pdb1v75/pdb
PDB entry 1v75 coloured by chain, front view.
PDB entry 1v75 coloured by chain, side view.
PDB entry 1v75 coloured by chain, top view.
Source organism: Aldabrachelys gigantea
Primary publication:
Crystallization and preliminary X-ray diffraction study of hemoglobin D from the Aldabra giant tortoise, Geochelone gigantea.
Kuwada T, Hasegawa T, Satoh I, Ishikawa K, Shishikura F
Protein Pept Lett 10 422-5 (2003)
PMID: 14529497

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-160674 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Hemoglobin D subunit alpha Chain: A
Molecule details ›
Chain: A
Length: 141 amino acids
Theoretical weight: 16.19 KDa
Source organism: Aldabrachelys gigantea
UniProt:
  • Canonical: P83134 (Residues: 1-141; Coverage: 100%)
Sequence domains: Globin
Structure domains: Globins
Hemoglobin A/D subunit beta Chain: B
Molecule details ›
Chain: B
Length: 146 amino acids
Theoretical weight: 16.19 KDa
Source organism: Aldabrachelys gigantea
UniProt:
  • Canonical: P83133 (Residues: 1-146; Coverage: 100%)
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

1 bound ligand:
Ligand HEM 2 x HEM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU ULTRAX 18
Spacegroup: C2
Unit cell:
a: 112.142Å b: 62.374Å c: 53.98Å
α: 90° β: 110.26° γ: 90°
R-values:
R R work R free
0.188 0.188 0.233

Quick links

Citations

4 citation in other articles

Electrostatic properties of protein-protein complexes.
Kundrotas et al. (2006)
3 more

1 mention without citation

A Novel Molecular Approach for Enhancing the Safety of Ozone in Autohemotherapy and Insights into Heme Pocket Autoxidation of Hemoglobin.
Naderi Beni et al. (2023)