X-ray diffraction
2.6Å resolution

Potassium channel from Magnetospirillum magnetotacticum


Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Inward rectifier potassium channel Kirbac3.1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 301 amino acids
Theoretical weight: 33.78 KDa
Source organism: Magnetospirillum magnetotacticum
Expression system: Escherichia coli BL21(DE3)
  • Canonical: D9N164 (Residues: 1-295; Coverage: 100%)
Sequence domains:
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21212
Unit cell:
a: 105.627Å b: 109.385Å c: 88.786Å
α: 90° β: 90° γ: 90°
R R work R free
0.221 0.22 0.243
Expression system: Escherichia coli BL21(DE3)