Structure analysis

CROSS-LINKED, CARBONMONOXY HEMOGLOBIN A

X-ray diffraction
1.8Å resolution
Source organism: Homo sapiens
Assemblies composition:
hetero tetramer (preferred)
hetero octamer
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero tetramer
Accessible surface area: 23004.69 Å2
Buried surface area: 12509.29 Å2
Dissociation area: 3,469.46 Å2
Dissociation energy (ΔGdiss): 6.27 kcal/mol
Dissociation entropy (TΔSdiss): 36.8 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 octamer
Accessible surface area: 44260.18 Å2
Buried surface area: 26771.54 Å2
Dissociation area: 882.81 Å2
Dissociation energy (ΔGdiss): 4.9 kcal/mol
Dissociation entropy (TΔSdiss): 14.05 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-159526

Macromolecules

Chains: A, C
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
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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