X-ray diffraction
1.9Å resolution

Crystal structure of Drosophila cyclic nucleotide gated channel pore mimicking NaK mutant

Source organism: Bacillus cereus ATCC 14579
Entry authors: Lam Y, Zeng W, Derebe MG, Jiang Y

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Ion_trans_2 domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 97 amino acids
Theoretical weight: 10.69 KDa
Source organism: Bacillus cereus ATCC 14579
Expression system: Escherichia coli
  • 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 23-ID-B
Spacegroup: I4
Unit cell:
a: 67.907Å b: 67.907Å c: 89.799Å
α: 90° β: 90° γ: 90°
R R work R free
0.204 0.204 0.236
Expression system: Escherichia coli