› 1ljw

X-ray diffraction
2.16Å resolution

Crystal Structure of Human Carbonmonoxy Hemoglobin at 2.16 A: A Snapshot of the Allosteric Transition

Released:
DOI: 10.2210/pdb1ljw/pdb
PDB entry 1ljw coloured by chain, front view.
PDB entry 1ljw coloured by chain, side view.
PDB entry 1ljw coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Structure of human carbonmonoxyhemoglobin at 2.16 A: a snapshot of the allosteric transition.
Safo MK, Burnett JC, Musayev FN, Nokuri S, Abraham DJ
Acta Crystallogr D Biol Crystallogr 58 2031-7 (2002)
PMID: 12454461

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-159519 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
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
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

Ligands and Environments

3 bound ligands:
Ligand CMO 2 x CMO
Ligand HEM 2 x HEM
Ligand PO4 1 x PO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P41212
Unit cell:
a: 53.566Å b: 53.566Å c: 192.96Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.205 0.194 0.259

Quick links

Citations

3 review citations

Hemoglobin: Structure, Function and Allostery.
Ahmed et al. (2020)
2 more

13 mentions without citation

New look at hemoglobin allostery.
Yuan et al. (2015)
12 more