X-ray diffraction
2.6Å resolution

Intermediate gating structure 1 of the inwardly rectifying K+ channel KirBac3.1

Entry authors: Gulbis JM, Kuo A, Smith B, Doyle DA, Edwards A, Arrowsmith C, Sundstrom M

Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
ATP-sensitive inward rectifier potassium channel 10 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
  • Canonical: Q2W6R1 (Residues: 30-320; Coverage: 91%)
Gene name: amb1660
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
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
0.226 0.226 0.253
Expression system: Escherichia coli