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Crystal Structure of the Heterodimeric HIF-2a:ARNT Complex with the Benzoxadiazole Antagonist 0X3

X-ray diffraction
2.87Å resolution
PDB entry 4zqd coloured by chain, front view.
PDB entry 4zqd coloured by chain, side view.
PDB entry 4zqd coloured by chain, top view.
Source organism: Mus musculus
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Endothelial PAS domain-containing protein 1 and Aryl hydrocarbon receptor nuclear translocator
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Multimeric state: hetero dimer
Accessible surface area: 25779.17 Å2
Buried surface area: 6380.3 Å2
Dissociation area: 3,190.15 Å2
Dissociation energy (ΔGdiss): 41.29 kcal/mol
Dissociation entropy (TΔSdiss): 14.27 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-156869
Assembly 2
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Assembly Name: Endothelial PAS domain-containing protein 1 and Aryl hydrocarbon receptor nuclear translocator
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Multimeric state: hetero dimer
Accessible surface area: 26998.72 Å2
Buried surface area: 6399.44 Å2
Dissociation area: 3,199.72 Å2
Dissociation energy (ΔGdiss): 43.41 kcal/mol
Dissociation entropy (TΔSdiss): 14.35 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-156869

Macromolecules

Aryl hydrocarbon receptor nuclear translocator
Chains: A, C
Length: 384 amino acids
Theoretical weight: 43.44 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P53762 (Residues: 81-464; Coverage: 49%)
Gene name: Arnt
Pfam:
InterPro:
Aryl hydrocarbon receptor nuclear translocator in PDB entry 4zqd, assembly 1, front view.
Aryl hydrocarbon receptor nuclear translocator in PDB entry 4zqd, assembly 1, side view.
Aryl hydrocarbon receptor nuclear translocator in PDB entry 4zqd, assembly 1, top view.
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Endothelial PAS domain-containing protein 1
Chains: B, D
Length: 360 amino acids
Theoretical weight: 41.2 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P97481 (Residues: 3-361; Coverage: 41%)
Gene names: Epas1, Hif2a
Pfam:
InterPro:
Endothelial PAS domain-containing protein 1 in PDB entry 4zqd, assembly 1, front view.
Endothelial PAS domain-containing protein 1 in PDB entry 4zqd, assembly 1, side view.
Endothelial PAS domain-containing protein 1 in PDB entry 4zqd, assembly 1, top view.
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