› 3e86

X-ray diffraction
1.6Å resolution

High resolution Crystal Structure of the open NaK channel pore

Released:
DOI: 10.2210/pdb3e86/pdb
PDB entry 3e86 coloured by chain, front view.
PDB entry 3e86 coloured by chain, side view.
PDB entry 3e86 coloured by chain, top view.
Source organism: Bacillus cereus
Primary publication:
High-resolution structure of the open NaK channel.
Alam A, Jiang Y
Nat Struct Mol Biol 16 30-4 (2009)
PMID: 19098917

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-182541 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Potassium channel domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 96 amino acids
Theoretical weight: 10.71 KDa
Source organism: Bacillus cereus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q81HW2 (Residues: 19-110; Coverage: 81%)
Gene name: BC_0669
Sequence domains: Ion channel
Structure domains: Helix Hairpins

Ligands and Environments

4 bound ligands:
Ligand MPD 2 x MPD
Ligand CS 2 x CS
Ligand CA 1 x CA
Ligand NA 4 x NA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: I4
Unit cell:
a: 68.03Å b: 68.03Å c: 89.264Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.212 0.212 0.242
Expression system: Escherichia coli

Quick links

Citations

18 review citations

Glutamate receptor ion channels: structure, regulation, and function.
Traynelis et al. (2010)
17 more

16 mentions without citation

Normal mode analysis of biomolecular structures: functional mechanisms of membrane proteins.
Bahar et al. (2010)
15 more