PDBe 1yvq

X-ray diffraction
1.8Å resolution

The low salt (PEG) crystal structure of CO Hemoglobin E (betaE26K) approaching physiological pH (pH 7.5)

Released:
Source organism: Homo sapiens
Entry authors: Malashkevich VN, Balazs TC, Almo SC, Hirsch RE

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Hemoglobin subunit beta Chains: B, D
Molecule details ›
Chains: B, D
Length: 146 amino acids
Theoretical weight: 15.89 KDa
Source organism: Homo sapiens
Expression system: Mus musculus
UniProt:
  • Canonical: P68871 (Residues: 2-147; Coverage: 99%)
Gene name: HBB
Sequence domains: Globin
Structure domains: Globins
Hemoglobin subunit alpha Chains: A, C
Molecule details ›
Chains: A, C
Length: 141 amino acids
Theoretical weight: 15.15 KDa
Source organism: Homo sapiens
Expression system: Mus musculus
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: RIGAKU RU300
Spacegroup: P212121
Unit cell:
a: 60.621Å b: 96.018Å c: 101.368Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.187 0.187 0.23
Expression system: Mus musculus