3k0g

X-ray diffraction
1.95Å resolution

Crystal Structure of CNG mimicking NaK mutant, NaK-ETPP, Na+ complex

Released:

Function and Biology Details

Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
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: 10.63 KDa
Source organism: Bacillus cereus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q81HW2 (Residues: 20-110; Coverage: 79%)
Gene name: BC_0669
Sequence domains: Ion channel
Structure domains: Helix Hairpins

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: I4
Unit cell:
a: 67.57Å b: 67.57Å c: 89.539Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.204 0.204 0.228
Expression system: Escherichia coli