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Crystal structure of PAS domain from the human ERG (hERG) potassium channel

X-ray diffraction
1.96Å resolution
PDB entry 4hqa coloured by chain, front view.
PDB entry 4hqa coloured by chain, side view.
PDB entry 4hqa coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Voltage-gated inwardly rectifying potassium channel KCNH2
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Multimeric state: monomeric
Accessible surface area: 6093.9 Å2
Buried surface area: 0.0 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-171399

Macromolecules

Voltage-gated inwardly rectifying potassium channel KCNH2
Chain: A
Length: 137 amino acids
Theoretical weight: 15.44 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q12809 (Residues: 1-135; Coverage: 12%)
Gene names: ERG, ERG1, HERG, KCNH2
Pfam: PAS domain
InterPro:
CATH: PAS domain
Potassium voltage-gated channel subfamily H member 2 in PDB entry 4hqa, assembly 1, front view.
Potassium voltage-gated channel subfamily H member 2 in PDB entry 4hqa, assembly 1, side view.
Potassium voltage-gated channel subfamily H member 2 in PDB entry 4hqa, assembly 1, top view.
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