› 3vou

X-ray diffraction
3.2Å resolution

The crystal structure of NaK-NavSulP chimera channel

Released:
DOI: 10.2210/pdb3vou/pdb
PDB entry 3vou coloured by chain, front view.
PDB entry 3vou coloured by chain, side view.
PDB entry 3vou coloured by chain, top view.
Source organisms:
Primary publication:
The C-terminal helical bundle of the tetrameric prokaryotic sodium channel accelerates the inactivation rate.
Irie K, Shimomura T, Fujiyoshi Y
Nat Commun 3 793 (2012)
PMID: 22531178

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-107241 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ion transport domain-containing protein; Potassium channel domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 148 amino acids
Theoretical weight: 16.75 KDa
Source organisms: Expression system: Escherichia coli
UniProt:
  • Canonical: A9VEV6 (Residues: 1-114; Coverage: 100%)
  • Canonical: A3SUL8 (Residues: 239-263; Coverage: 10%)
Gene names: BcerKBAB4_0590, NAS141_12386
Sequence domains: Ion channel
Structure domains: Helix Hairpins

Ligands and Environments

2 bound ligands:
Ligand NA 2 x NA
Ligand CO 1 x CO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL38B1
Spacegroup: P3121
Unit cell:
a: 104.227Å b: 104.227Å c: 104.444Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.293 0.292 0.322
Expression system: Escherichia coli

Quick links

Citations

5 review citations

Bringing dynamic molecular machines into focus by methyl-TROSY NMR.
Rosenzweig et al. (2014)
4 more

3 mentions without citation

A pangenomic analysis of the Nannochloropsis organellar genomes reveals novel genetic variations in key metabolic genes.
Starkenburg et al. (2014)
2 more