Structure analysis

Direct observation of photolysis-induced tertiary structural changes in human haemoglobin; Crystal structure of alpha(Ni)-beta(Fe-CO) hemoglobin (laser unphotolysed)

X-ray diffraction
1.45Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero tetramer
Accessible surface area: 23347.07 Å2
Buried surface area: 11843.47 Å2
Dissociation area: 3,339.48 Å2
Dissociation energy (ΔGdiss): 2.59 kcal/mol
Dissociation entropy (TΔSdiss): 36.74 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-159519
Complex Portal ID: CPX-2158
Assembly 2
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Multimeric state: hetero tetramer
Accessible surface area: 23228.01 Å2
Buried surface area: 11846.12 Å2
Dissociation area: 3,352.45 Å2
Dissociation energy (ΔGdiss): 1.91 kcal/mol
Dissociation entropy (TΔSdiss): 36.74 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-159519
Complex Portal ID: CPX-2158

Macromolecules

Chains: A, C, E, G
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
Pfam: Globin
InterPro:
CATH: Globins
SCOP: Globins

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Chains: B, D, F, H
Length: 146 amino acids
Theoretical weight: 15.89 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P68871 (Residues: 2-147; Coverage: 99%)
Gene name: HBB
Pfam: Globin
InterPro:
CATH: Globins
SCOP: Globins

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