› 1a68

X-ray diffraction
1.8Å resolution

CRYSTAL STRUCTURE OF THE TETRAMERIZATION DOMAIN OF THE SHAKER POTASSIUM CHANNEL

Released:
DOI: 10.2210/pdb1a68/pdb
PDB entry 1a68 coloured by chain, front view.
PDB entry 1a68 coloured by chain, side view.
PDB entry 1a68 coloured by chain, top view.
Source organism: Aplysia californica
Primary publication:
Crystal structure of the tetramerization domain of the Shaker potassium channel.
Kreusch A, Pfaffinger PJ, Stevens CF, Choe S
Nature 392 945-8 (1998)
PMID: 9582078

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-172616 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
BTB domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 95 amino acids
Theoretical weight: 11.49 KDa
Source organism: Aplysia californica
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q16968 (Residues: 66-159; Coverage: 18%)
Sequence domains: BTB/POZ domain
Structure domains: Potassium Channel Kv1.1; Chain A

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL1-5
Spacegroup: I4
Unit cell:
a: 51.034Å b: 51.034Å c: 65.605Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.2 0.241
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

48 review citations

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Hoenderop et al. (2005)
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10 mentions without citation

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Canutescu et al. (2003)
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