Structure analysis

Crystal structure of AHSP bound to Fe(II) alpha-hemoglobin

X-ray diffraction
2.8Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 11130.64 Å2
Buried surface area: 3639.34 Å2
Dissociation area: 833.45 Å2
Dissociation energy (ΔGdiss): 3.62 kcal/mol
Dissociation entropy (TΔSdiss): 10.97 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-159684

Macromolecules

Chain: A
Length: 102 amino acids
Theoretical weight: 11.83 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9NZD4 (Residues: 1-102; Coverage: 100%)
Gene names: AHSP, EDRF, ERAF
Pfam: Alpha-haemoglobin stabilising protein
InterPro:
CATH: AHSP
SCOP: Alpha-hemoglobin stabilizing protein AHSP

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Chain: B
Length: 142 amino acids
Theoretical weight: 15.28 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P69905 (Residues: 1-142; Coverage: 100%)
Gene names: HBA1, HBA2
Pfam: Globin
InterPro:
CATH: Globins
SCOP: Globins

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