Structure analysis

T-To-T(High) quaternary transitions in human hemoglobin: betaF42A deoxy low-salt (1 test set)

X-ray diffraction
2.11Å 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: 23222.92 Å2
Buried surface area: 11289.89 Å2
Dissociation area: 3,294.34 Å2
Dissociation energy (ΔGdiss): 4.87 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
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: 15.85 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P68871 (Residues: 2-147; Coverage: 99%)
Gene name: HBB
Pfam: Globin
InterPro:
CATH: Globins
SCOP: Globins

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