› 4hqa

X-ray diffraction
1.96Å resolution

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

Released:
DOI: 10.2210/pdb4hqa/pdb
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
Primary publication:
Structural properties of PAS domains from the KCNH potassium channels.
Adaixo R, Harley CA, Castro-Rodrigues AF, Morais-Cabral JH
PLoS One 8 e59265 (2013)
PMID: 23555008

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-171399 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Potassium voltage-gated channel subfamily H member 2 Chain: A
Molecule details ›
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
Sequence domains: PAS domain
Structure domains: PAS domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P6522
Unit cell:
a: 56.75Å b: 56.75Å c: 134.85Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.202 0.2 0.239
Expression system: Escherichia coli

Quick links

Citations

11 review citations

Kv10.1 K(+) channel: from physiology to cancer.
Ouadid-Ahidouch et al. (2016)
10 more

8 mentions without citation

The enigmatic cytoplasmic regions of KCNH channels.
Morais-Cabral et al. (2015)
7 more